47791507 has 6 divisors (see below), whose sum is σ = 49497188. Its totient is φ = 46142712.

The previous prime is 47791501. The next prime is 47791519. The reversal of 47791507 is 70519774.

It is not a de Polignac number, because 47791507 - 2²³ = 39402899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47791507.

It is not an unprimeable number, because it can be changed into a prime (47791501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27573 + ... + 29254.

Almost surely, 2^47791507 is an apocalyptic number.

47791507 is a deficient number, since it is larger than the sum of its proper divisors (1705681).

47791507 is an equidigital number, since it uses as much as digits as its factorization.

47791507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56885 (or 56856 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 47791507 is about 6913.1401692718. The cubic root of 47791507 is about 362.8971646968.

The spelling of 47791507 in words is "forty-seven million, seven hundred ninety-one thousand, five hundred seven".