87311058 has 32 divisors (see below), whose sum is σ = 180774720. Its totient is φ = 28093440.

The previous prime is 87311057. The next prime is 87311089. The reversal of 87311058 is 85011378.

It is not an unprimeable number, because it can be changed into a prime (87311057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22033 + ... + 25691.

It is an arithmetic number, because the mean of its divisors is an integer number (5649210).

Almost surely, 2^87311058 is an apocalyptic number.

87311058 is an abundant number, since it is smaller than the sum of its proper divisors (93463662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87311058 is a wasteful number, since it uses less digits than its factorization.

87311058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 87311058 is about 9344.0386343379. The cubic root of 87311058 is about 443.6322232431.

The spelling of 87311058 in words is "eighty-seven million, three hundred eleven thousand, fifty-eight".