47879556 has 12 divisors (see below), whose sum is σ = 111718992. Its totient is φ = 15959848.

The previous prime is 47879543. The next prime is 47879561. The reversal of 47879556 is 65597874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 47879499 and 47879508.

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, 1994970 + ... + 1994993.

It is an arithmetic number, because the mean of its divisors is an integer number (9309916).

Almost surely, 2^47879556 is an apocalyptic number.

It is an amenable number.

47879556 is an abundant number, since it is smaller than the sum of its proper divisors (63839436).

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

47879556 is a wasteful number, since it uses less digits than its factorization.

47879556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989970 (or 3989968 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 47879556 is about 6919.5054736592. The cubic root of 47879556 is about 363.1198899727.

The spelling of 47879556 in words is "forty-seven million, eight hundred seventy-nine thousand, five hundred fifty-six".