87859716444 has 48 divisors (see below), whose sum is σ = 227899072800. Its totient is φ = 29271835008.

The previous prime is 87859716401. The next prime is 87859716473. The reversal of 87859716444 is 44461795878.

87859716444 is a `hidden beast` number, since 8 + 78 + 59 + 71 + 6 + 444 = 666.

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, 11992 + ... + 419360.

It is an arithmetic number, because the mean of its divisors is an integer number (4747897350).

Almost surely, 2^87859716444 is an apocalyptic number.

It is an amenable number.

87859716444 is an abundant number, since it is smaller than the sum of its proper divisors (140039356356).

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

87859716444 is a wasteful number, since it uses less digits than its factorization.

87859716444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409379 (or 409371 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 87859716444 in words is "eighty-seven billion, eight hundred fifty-nine million, seven hundred sixteen thousand, four hundred forty-four".