987572618164 has 48 divisors (see below), whose sum is σ = 1916210056320. Its totient is φ = 441608232960.

The previous prime is 987572618093. The next prime is 987572618171. The reversal of 987572618164 is 461816275789.

It is a super-2 number, since 2×987572618164² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 987572618096 and 987572618105.

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, 19972 + ... + 1405540.

It is an arithmetic number, because the mean of its divisors is an integer number (39921042840).

Almost surely, 2^987572618164 is an apocalyptic number.

It is an amenable number.

987572618164 is a deficient number, since it is larger than the sum of its proper divisors (928637438156).

987572618164 is a wasteful number, since it uses less digits than its factorization.

987572618164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385848 (or 1385846 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 64.

The spelling of 987572618164 in words is "nine hundred eighty-seven billion, five hundred seventy-two million, six hundred eighteen thousand, one hundred sixty-four".