859980372 has 24 divisors (see below), whose sum is σ = 2026105536. Its totient is φ = 283876608.

The previous prime is 859980353. The next prime is 859980383. The reversal of 859980372 is 273089958.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346653 + ... + 349124.

It is an arithmetic number, because the mean of its divisors is an integer number (84421064).

Almost surely, 2^859980372 is an apocalyptic number.

It is an amenable number.

859980372 is an abundant number, since it is smaller than the sum of its proper divisors (1166125164).

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

859980372 is a wasteful number, since it uses less digits than its factorization.

859980372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695887 (or 695885 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 859980372 is about 29325.4219406985. The cubic root of 859980372 is about 950.9613065180.

The spelling of 859980372 in words is "eight hundred fifty-nine million, nine hundred eighty thousand, three hundred seventy-two".