87056862940 has 24 divisors (see below), whose sum is σ = 182844451440. Its totient is φ = 34817975808.

The previous prime is 87056862899. The next prime is 87056862941. The reversal of 87056862940 is 4926865078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87056862941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146530 + ... + 442249.

It is an arithmetic number, because the mean of its divisors is an integer number (7618518810).

Almost surely, 2^87056862940 is an apocalyptic number.

It is an amenable number.

87056862940 is an abundant number, since it is smaller than the sum of its proper divisors (95787588500).

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

87056862940 is a wasteful number, since it uses less digits than its factorization.

87056862940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596181 (or 596179 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 87056862940 in words is "eighty-seven billion, fifty-six million, eight hundred sixty-two thousand, nine hundred forty".