886964670640 has 40 divisors (see below), whose sum is σ = 2063319465888. Its totient is φ = 354592043520.

The previous prime is 886964670629. The next prime is 886964670679. The reversal of 886964670640 is 46076469688.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2881117 + ... + 3174076.

Almost surely, 2^886964670640 is an apocalyptic number.

886964670640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

886964670640 is an abundant number, since it is smaller than the sum of its proper divisors (1176354795248).

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

886964670640 is a wasteful number, since it uses less digits than its factorization.

886964670640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6057037 (or 6057031 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

The spelling of 886964670640 in words is "eight hundred eighty-six billion, nine hundred sixty-four million, six hundred seventy thousand, six hundred forty".