272889656 has 16 divisors (see below), whose sum is σ = 551027400. Its totient is φ = 125949024.

The previous prime is 272889649. The next prime is 272889671. The reversal of 272889656 is 656988272.

It is a junction number, because it is equal to n+sod(n) for n = 272889598 and 272889607.

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, 1311866 + ... + 1312073.

Almost surely, 2^272889656 is an apocalyptic number.

272889656 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

272889656 is an abundant number, since it is smaller than the sum of its proper divisors (278137744).

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

272889656 is a wasteful number, since it uses less digits than its factorization.

272889656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623958 (or 2623954 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The square root of 272889656 is about 16519.3721430326. The cubic root of 272889656 is about 648.6279983630.

The spelling of 272889656 in words is "two hundred seventy-two million, eight hundred eighty-nine thousand, six hundred fifty-six".