87870457580 has 24 divisors (see below), whose sum is σ = 184579129728. Its totient is φ = 35138436608.

The previous prime is 87870457579. The next prime is 87870457603. The reversal of 87870457580 is 8575407878.

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, 535004 + ... + 679683.

It is an arithmetic number, because the mean of its divisors is an integer number (7690797072).

Almost surely, 2^87870457580 is an apocalyptic number.

It is an amenable number.

87870457580 is an abundant number, since it is smaller than the sum of its proper divisors (96708672148).

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

87870457580 is a wasteful number, since it uses less digits than its factorization.

87870457580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218313 (or 1218311 counting only the distinct ones).

The product of its (nonzero) digits is 17561600, while the sum is 59.

The spelling of 87870457580 in words is "eighty-seven billion, eight hundred seventy million, four hundred fifty-seven thousand, five hundred eighty".