47879808 has 64 divisors (see below), whose sum is σ = 129148320. Its totient is φ = 15713280.

The previous prime is 47879807. The next prime is 47879827. The reversal of 47879808 is 80897874.

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

It is not an unprimeable number, because it can be changed into a prime (47879807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24798 + ... + 26658.

Almost surely, 2^47879808 is an apocalyptic number.

47879808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47879808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64574160).

47879808 is an abundant number, since it is smaller than the sum of its proper divisors (81268512).

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

47879808 is a wasteful number, since it uses less digits than its factorization.

47879808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945 (or 1933 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 47879808 is about 6919.5236830291. The cubic root of 47879808 is about 363.1205270299.

The spelling of 47879808 in words is "forty-seven million, eight hundred seventy-nine thousand, eight hundred eight".