87657955 has 32 divisors (see below), whose sum is σ = 131862528. Its totient is φ = 54345600.

The previous prime is 87657953. The next prime is 87657989. The reversal of 87657955 is 55975678.

It is not a de Polignac number, because 87657955 - 2¹ = 87657953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87657953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85345 + ... + 86365.

It is an arithmetic number, because the mean of its divisors is an integer number (4120704).

Almost surely, 2^87657955 is an apocalyptic number.

87657955 is a deficient number, since it is larger than the sum of its proper divisors (44204573).

87657955 is a wasteful number, since it uses less digits than its factorization.

87657955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267.

The product of its digits is 2646000, while the sum is 52.

The square root of 87657955 is about 9362.5827099150. The cubic root of 87657955 is about 444.2189810022.

The spelling of 87657955 in words is "eighty-seven million, six hundred fifty-seven thousand, nine hundred fifty-five".