87539217400 has 48 divisors (see below), whose sum is σ = 204285418200. Its totient is φ = 34885495680.

The previous prime is 87539217349. The next prime is 87539217419. The reversal of 87539217400 is 471293578.

It is a super-2 number, since 2×87539217400² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 759762 + ... + 867361.

Almost surely, 2^87539217400 is an apocalyptic number.

It is an amenable number.

87539217400 is an abundant number, since it is smaller than the sum of its proper divisors (116746200800).

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

87539217400 is a wasteful number, since it uses less digits than its factorization.

87539217400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627408 (or 1627399 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 87539217400 in words is "eighty-seven billion, five hundred thirty-nine million, two hundred seventeen thousand, four hundred".