102827758469 has 4 divisors (see below), whose sum is σ = 105335752620. Its totient is φ = 100319764320.

The previous prime is 102827758393. The next prime is 102827758471. The reversal of 102827758469 is 964857728201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11962890625 + 90864867844 = 109375^2 + 301438^2 .

It is not a de Polignac number, because 102827758469 - 2¹² = 102827754373 is a prime.

It is a super-2 number, since 2×102827758469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102827758669) 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 3 ways as a sum of consecutive naturals, for example, 1253997014 + ... + 1253997095.

It is an arithmetic number, because the mean of its divisors is an integer number (26333938155).

Almost surely, 2^102827758469 is an apocalyptic number.

It is an amenable number.

102827758469 is a deficient number, since it is larger than the sum of its proper divisors (2507994151).

102827758469 is an equidigital number, since it uses as much as digits as its factorization.

102827758469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507994150.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 102827758469 in words is "one hundred two billion, eight hundred twenty-seven million, seven hundred fifty-eight thousand, four hundred sixty-nine".