47447504615 has 32 divisors (see below), whose sum is σ = 70705213440. Its totient is φ = 29828736000.

The previous prime is 47447504597. The next prime is 47447504681. The reversal of 47447504615 is 51640574474.

It is not a de Polignac number, because 47447504615 - 2⁶ = 47447504551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47447504615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1130186 + ... + 1171415.

It is an arithmetic number, because the mean of its divisors is an integer number (2209537920).

Almost surely, 2^47447504615 is an apocalyptic number.

47447504615 is a deficient number, since it is larger than the sum of its proper divisors (23257708825).

47447504615 is a wasteful number, since it uses less digits than its factorization.

47447504615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301663.

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 47447504615 in words is "forty-seven billion, four hundred forty-seven million, five hundred four thousand, six hundred fifteen".