87711107940 has 72 divisors (see below), whose sum is σ = 266086574208. Its totient is φ = 23387031360.

The previous prime is 87711107903. The next prime is 87711107951. The reversal of 87711107940 is 4970111778.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2032629 + ... + 2075331.

It is an arithmetic number, because the mean of its divisors is an integer number (3695646864).

Almost surely, 2^87711107940 is an apocalyptic number.

It is an amenable number.

87711107940 is an abundant number, since it is smaller than the sum of its proper divisors (178375466268).

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

87711107940 is a wasteful number, since it uses less digits than its factorization.

87711107940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54129 (or 54124 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 45.

The spelling of 87711107940 in words is "eighty-seven billion, seven hundred eleven million, one hundred seven thousand, nine hundred forty".