47972777463 has 96 divisors (see below), whose sum is σ = 77818610688. Its totient is φ = 28289088000.

The previous prime is 47972777453. The next prime is 47972777467. The reversal of 47972777463 is 36477727974.

It is not a de Polignac number, because 47972777463 - 2¹⁸ = 47972515319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47972777463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47972777467) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 74607420 + ... + 74608062.

It is an arithmetic number, because the mean of its divisors is an integer number (810610528).

Almost surely, 2^47972777463 is an apocalyptic number.

47972777463 is a deficient number, since it is larger than the sum of its proper divisors (29845833225).

47972777463 is a wasteful number, since it uses less digits than its factorization.

47972777463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 954 counting only the distinct ones).

The product of its digits is 87127488, while the sum is 63.

The spelling of 47972777463 in words is "forty-seven billion, nine hundred seventy-two million, seven hundred seventy-seven thousand, four hundred sixty-three".