47900688 has 80 divisors (see below), whose sum is σ = 135902016. Its totient is φ = 14417920.

The previous prime is 47900641. The next prime is 47900707. The reversal of 47900688 is 88600974.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135520 + ... + 135872.

Almost surely, 2^47900688 is an apocalyptic number.

47900688 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 47900688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67951008).

47900688 is an abundant number, since it is smaller than the sum of its proper divisors (88001328).

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

47900688 is a wasteful number, since it uses less digits than its factorization.

47900688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 47900688 is about 6921.0322929459. The cubic root of 47900688 is about 363.1733040079.

The spelling of 47900688 in words is "forty-seven million, nine hundred thousand, six hundred eighty-eight".