84731461971 has 32 divisors (see below), whose sum is σ = 122103072000. Its totient is φ = 51955344000.

The previous prime is 84731461939. The next prime is 84731461973. The reversal of 84731461971 is 17916413748.

It is not a de Polignac number, because 84731461971 - 2⁵ = 84731461939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84731461973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13639056 + ... + 13645266.

It is an arithmetic number, because the mean of its divisors is an integer number (3815721000).

Almost surely, 2^84731461971 is an apocalyptic number.

84731461971 is a deficient number, since it is larger than the sum of its proper divisors (37371610029).

84731461971 is a wasteful number, since it uses less digits than its factorization.

84731461971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427.

The product of its digits is 1016064, while the sum is 51.

The spelling of 84731461971 in words is "eighty-four billion, seven hundred thirty-one million, four hundred sixty-one thousand, nine hundred seventy-one".