47047647431 has 8 divisors (see below), whose sum is σ = 47804110704. Its totient is φ = 46292780160.

The previous prime is 47047647397. The next prime is 47047647481. The reversal of 47047647431 is 13474674074.

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 47047647431 - 2³⁴ = 29867778247 is a prime.

It is a super-2 number, since 2×47047647431² (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 (47047647481) 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, 339500 + ... + 457553.

It is an arithmetic number, because the mean of its divisors is an integer number (5975513838).

Almost surely, 2^47047647431 is an apocalyptic number.

47047647431 is a deficient number, since it is larger than the sum of its proper divisors (756463273).

47047647431 is an equidigital number, since it uses as much as digits as its factorization.

47047647431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798001.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 47047647431 in words is "forty-seven billion, forty-seven million, six hundred forty-seven thousand, four hundred thirty-one".