47057808 has 40 divisors (see below), whose sum is σ = 138933568. Its totient is φ = 13444992.

The previous prime is 47057797. The next prime is 47057809. The reversal of 47057808 is 80875074.

It is not an unprimeable number, because it can be changed into a prime (47057809) 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, 69691 + ... + 70362.

Almost surely, 2^47057808 is an apocalyptic number.

47057808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47057808 is an abundant number, since it is smaller than the sum of its proper divisors (91875760).

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

47057808 is a wasteful number, since it uses less digits than its factorization.

47057808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140071 (or 140065 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 47057808 is about 6859.8693865117. The cubic root of 47057808 is about 361.0305041455.

The spelling of 47057808 in words is "forty-seven million, fifty-seven thousand, eight hundred eight".