87715883 has 2 divisors, whose sum is σ = 87715884. Its totient is φ = 87715882.

The previous prime is 87715787. The next prime is 87715891. The reversal of 87715883 is 38851778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87715883 - 2⁸ = 87715627 is a prime.

It is a super-2 number, since 2×87715883² = 15388152260939378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87715183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43857941 + 43857942.

It is an arithmetic number, because the mean of its divisors is an integer number (43857942).

Almost surely, 2^87715883 is an apocalyptic number.

87715883 is a deficient number, since it is larger than the sum of its proper divisors (1).

87715883 is an equidigital number, since it uses as much as digits as its factorization.

87715883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 47.

The square root of 87715883 is about 9365.6757898189. The cubic root of 87715883 is about 444.3168122098.

The spelling of 87715883 in words is "eighty-seven million, seven hundred fifteen thousand, eight hundred eighty-three".