1087167965 has 8 divisors (see below), whose sum is σ = 1404955608. Its totient is φ = 802831680.

The previous prime is 1087167941. The next prime is 1087167967. The reversal of 1087167965 is 5697617801.

It can be written as a sum of positive squares in 4 ways, for example, as 6205081 + 1080962884 = 2491^2 + 32878^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1087167965 - 2⁸ = 1087167709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087167967) 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 7 ways as a sum of consecutive naturals, for example, 8362766 + ... + 8362895.

It is an arithmetic number, because the mean of its divisors is an integer number (175619451).

Almost surely, 2^1087167965 is an apocalyptic number.

It is an amenable number.

1087167965 is a deficient number, since it is larger than the sum of its proper divisors (317787643).

1087167965 is a wasteful number, since it uses less digits than its factorization.

1087167965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725679.

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1087167965 is about 32972.2302096780. The cubic root of 1087167965 is about 1028.2503884852.

The spelling of 1087167965 in words is "one billion, eighty-seven million, one hundred sixty-seven thousand, nine hundred sixty-five".