2679958656 has 64 divisors (see below), whose sum is σ = 7909610400. Its totient is φ = 893318400.

The previous prime is 2679958639. The next prime is 2679958663. The reversal of 2679958656 is 6568599762.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2679958593 and 2679958602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384270 + ... + 391181.

Almost surely, 2^2679958656 is an apocalyptic number.

It is an amenable number.

2679958656 is an abundant number, since it is smaller than the sum of its proper divisors (5229651744).

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

2679958656 is an equidigital number, since it uses as much as digits as its factorization.

2679958656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775474 (or 775456 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 63.

The square root of 2679958656 is about 51768.3171061220. The cubic root of 2679958656 is about 1389.0227687772.

The spelling of 2679958656 in words is "two billion, six hundred seventy-nine million, nine hundred fifty-eight thousand, six hundred fifty-six".