47865157631 has 8 divisors (see below), whose sum is σ = 48053311920. Its totient is φ = 47677114368.

The previous prime is 47865157603. The next prime is 47865157651. The reversal of 47865157631 is 13675156874.

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

It is a cyclic number.

It is not a de Polignac number, because 47865157631 - 2⁶ = 47865157567 is a prime.

It is a super-2 number, since 2×47865157631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47865157651) 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, 896180 + ... + 948086.

It is an arithmetic number, because the mean of its divisors is an integer number (6006663990).

Almost surely, 2^47865157631 is an apocalyptic number.

47865157631 is a deficient number, since it is larger than the sum of its proper divisors (188154289).

47865157631 is a wasteful number, since it uses less digits than its factorization.

47865157631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55513.

The product of its digits is 4233600, while the sum is 53.

The spelling of 47865157631 in words is "forty-seven billion, eight hundred sixty-five million, one hundred fifty-seven thousand, six hundred thirty-one".