87964060831 has 2 divisors, whose sum is σ = 87964060832. Its totient is φ = 87964060830.

The previous prime is 87964060829. The next prime is 87964060843. The reversal of 87964060831 is 13806046978.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87964060831 - 2¹ = 87964060829 is a prime.

It is a super-2 number, since 2×87964060831² (a number of 23 digits) contains 22 as substring.

Together with 87964060829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87964060231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43982030415 + 43982030416.

It is an arithmetic number, because the mean of its divisors is an integer number (43982030416).

Almost surely, 2^87964060831 is an apocalyptic number.

87964060831 is a deficient number, since it is larger than the sum of its proper divisors (1).

87964060831 is an equidigital number, since it uses as much as digits as its factorization.

87964060831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 87964060831 in words is "eighty-seven billion, nine hundred sixty-four million, sixty thousand, eight hundred thirty-one".