47807656 has 32 divisors (see below), whose sum is σ = 97493760. Its totient is φ = 21845952.

The previous prime is 47807653. The next prime is 47807677. The reversal of 47807656 is 65670874.

It is not an unprimeable number, because it can be changed into a prime (47807653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8481 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^47807656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47807656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48746880).

47807656 is an abundant number, since it is smaller than the sum of its proper divisors (49686104).

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

47807656 is a wasteful number, since it uses less digits than its factorization.

47807656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585 (or 4581 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 47807656 is about 6914.3080637183. The cubic root of 47807656 is about 362.9380350433.

The spelling of 47807656 in words is "forty-seven million, eight hundred seven thousand, six hundred fifty-six".