986597185872 has 20 divisors (see below), whose sum is σ = 2548709396960. Its totient is φ = 328865728608.

The previous prime is 986597185853. The next prime is 986597185897. The reversal of 986597185872 is 278581795689.

986597185872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 986597185794 and 986597185803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10277053972 + ... + 10277054067.

It is an arithmetic number, because the mean of its divisors is an integer number (127435469848).

Almost surely, 2^986597185872 is an apocalyptic number.

It is an amenable number.

986597185872 is an abundant number, since it is smaller than the sum of its proper divisors (1562112211088).

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

986597185872 is a wasteful number, since it uses less digits than its factorization.

986597185872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20554108050 (or 20554108044 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 75.

The spelling of 986597185872 in words is "nine hundred eighty-six billion, five hundred ninety-seven million, one hundred eighty-five thousand, eight hundred seventy-two".