47561264637 has 8 divisors (see below), whose sum is σ = 63416811840. Its totient is φ = 31706613600.

The previous prime is 47561264627. The next prime is 47561264677. The reversal of 47561264637 is 73646216574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47561264637 - 2¹⁵ = 47561231869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47561264637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47561264627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88489 + ... + 320862.

It is an arithmetic number, because the mean of its divisors is an integer number (7927101480).

Almost surely, 2^47561264637 is an apocalyptic number.

It is an amenable number.

47561264637 is a deficient number, since it is larger than the sum of its proper divisors (15855547203).

47561264637 is a wasteful number, since it uses less digits than its factorization.

47561264637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448083.

The product of its digits is 5080320, while the sum is 51.

The spelling of 47561264637 in words is "forty-seven billion, five hundred sixty-one million, two hundred sixty-four thousand, six hundred thirty-seven".