47797628 has 12 divisors (see below), whose sum is σ = 84586320. Its totient is φ = 23630112.

The previous prime is 47797621. The next prime is 47797643. The reversal of 47797628 is 82679774.

It is a super-2 number, since 2×47797628² = 4569226484852768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47797621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66776 + ... + 67487.

It is an arithmetic number, because the mean of its divisors is an integer number (7048860).

Almost surely, 2^47797628 is an apocalyptic number.

It is an amenable number.

47797628 is a deficient number, since it is larger than the sum of its proper divisors (36788692).

47797628 is a wasteful number, since it uses less digits than its factorization.

47797628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134356 (or 134354 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 47797628 is about 6913.5828627420. The cubic root of 47797628 is about 362.9126569803.

The spelling of 47797628 in words is "forty-seven million, seven hundred ninety-seven thousand, six hundred twenty-eight".