87500972244 has 24 divisors (see below), whose sum is σ = 233335926208. Its totient is φ = 25000277760.

The previous prime is 87500972239. The next prime is 87500972281. The reversal of 87500972244 is 44227900578.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 87500972193 and 87500972202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520839037 + ... + 520839204.

Almost surely, 2^87500972244 is an apocalyptic number.

87500972244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87500972244 is an abundant number, since it is smaller than the sum of its proper divisors (145834953964).

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

87500972244 is a wasteful number, since it uses less digits than its factorization.

87500972244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041678255 (or 1041678253 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 87500972244 in words is "eighty-seven billion, five hundred million, nine hundred seventy-two thousand, two hundred forty-four".