1027345869 has 16 divisors (see below), whose sum is σ = 1660357440. Its totient is φ = 622633680.

The previous prime is 1027345861. The next prime is 1027345871. The reversal of 1027345869 is 9685437201.

1027345869 is a `hidden beast` number, since 10 + 27 + 34 + 586 + 9 = 666.

1027345869 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1027345869 - 2³ = 1027345861 is a prime.

It is a super-2 number, since 2×1027345869² = 2110879069102730322, which contains 22 as substring.

1027345869 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027345861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729242 + ... + 1729835.

It is an arithmetic number, because the mean of its divisors is an integer number (103772340).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1027345869 = 2054691738, but 3⋅1027345869 = 3082037607 is not.

Almost surely, 2^1027345869 is an apocalyptic number.

It is an amenable number.

1027345869 is a deficient number, since it is larger than the sum of its proper divisors (633011571).

1027345869 is a wasteful number, since it uses less digits than its factorization.

1027345869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459097 (or 3459091 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1027345869 is about 32052.2365678278. The cubic root of 1027345869 is about 1009.0334408935.

The spelling of 1027345869 in words is "one billion, twenty-seven million, three hundred forty-five thousand, eight hundred sixty-nine".