87076830931 has 16 divisors (see below), whose sum is σ = 90798028704. Its totient is φ = 83428545024.

The previous prime is 87076830913. The next prime is 87076830943. The reversal of 87076830931 is 13903867078.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87076830931 - 2¹³ = 87076822739 is a prime.

It is a super-2 number, since 2×87076830931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87076830901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9943851 + ... + 9952603.

It is an arithmetic number, because the mean of its divisors is an integer number (5674876794).

Almost surely, 2^87076830931 is an apocalyptic number.

87076830931 is a deficient number, since it is larger than the sum of its proper divisors (3721197773).

87076830931 is a wasteful number, since it uses less digits than its factorization.

87076830931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12870.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 87076830931 in words is "eighty-seven billion, seventy-six million, eight hundred thirty thousand, nine hundred thirty-one".