87607687 has 2 divisors, whose sum is σ = 87607688. Its totient is φ = 87607686.

The previous prime is 87607661. The next prime is 87607717. The reversal of 87607687 is 78670678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87607687 - 2²³ = 79219079 is a prime.

It is a super-3 number, since 3×87607687³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87607687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87607787) 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, 43803843 + 43803844.

It is an arithmetic number, because the mean of its divisors is an integer number (43803844).

Almost surely, 2^87607687 is an apocalyptic number.

87607687 is a deficient number, since it is larger than the sum of its proper divisors (1).

87607687 is an equidigital number, since it uses as much as digits as its factorization.

87607687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 87607687 is about 9359.8978092712. The cubic root of 87607687 is about 444.1340513856.

The spelling of 87607687 in words is "eighty-seven million, six hundred seven thousand, six hundred eighty-seven".