87059963 has 2 divisors, whose sum is σ = 87059964. Its totient is φ = 87059962.

The previous prime is 87059923. The next prime is 87060007. The reversal of 87059963 is 36995078.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87059963 is a prime.

It is a super-2 number, since 2×87059963² = 15158874315122738, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (87059923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43529981 + 43529982.

It is an arithmetic number, because the mean of its divisors is an integer number (43529982).

Almost surely, 2^87059963 is an apocalyptic number.

87059963 is a deficient number, since it is larger than the sum of its proper divisors (1).

87059963 is an equidigital number, since it uses as much as digits as its factorization.

87059963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 87059963 is about 9330.5928536187. The cubic root of 87059963 is about 443.2065391385.

The spelling of 87059963 in words is "eighty-seven million, fifty-nine thousand, nine hundred sixty-three".