87010644140 has 48 divisors (see below), whose sum is σ = 208860923712. Its totient is φ = 29827166976.

The previous prime is 87010644121. The next prime is 87010644277. The reversal of 87010644140 is 4144601078.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 87010644140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829274 + ... + 928286.

It is an arithmetic number, because the mean of its divisors is an integer number (4351269244).

Almost surely, 2^87010644140 is an apocalyptic number.

It is an amenable number.

87010644140 is an abundant number, since it is smaller than the sum of its proper divisors (121850279572).

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

87010644140 is a wasteful number, since it uses less digits than its factorization.

87010644140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105306 (or 105304 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The spelling of 87010644140 in words is "eighty-seven billion, ten million, six hundred forty-four thousand, one hundred forty".