87039734280 has 128 divisors (see below), whose sum is σ = 267693465600. Its totient is φ = 22629992192.

The previous prime is 87039734207. The next prime is 87039734291. The reversal of 87039734280 is 8243793078.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1453981 + ... + 1512659.

It is an arithmetic number, because the mean of its divisors is an integer number (2091355200).

Almost surely, 2^87039734280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87039734280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133846732800).

87039734280 is an abundant number, since it is smaller than the sum of its proper divisors (180653731320).

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

87039734280 is a wasteful number, since it uses less digits than its factorization.

87039734280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59003 (or 58999 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 87039734280 in words is "eighty-seven billion, thirty-nine million, seven hundred thirty-four thousand, two hundred eighty".