87372908840540 has 48 divisors (see below), whose sum is σ = 191530030083840. Its totient is φ = 33441751242240.

The previous prime is 87372908840537. The next prime is 87372908840587. The reversal of 87372908840540 is 4504880927378.

It is a congruent number.

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, 791652947 + ... + 791763306.

It is an arithmetic number, because the mean of its divisors is an integer number (3990208960080).

Almost surely, 2^{87372908840540} is an apocalyptic number.

It is an amenable number.

87372908840540 is an abundant number, since it is smaller than the sum of its proper divisors (104157121243300).

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

87372908840540 is a wasteful number, since it uses less digits than its factorization.

87372908840540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583416382 (or 1583416380 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 87372908840540 in words is "eighty-seven trillion, three hundred seventy-two billion, nine hundred eight million, eight hundred forty thousand, five hundred forty".