84782934731 has 6 divisors (see below), whose sum is σ = 93191159796. Its totient is φ = 77075395100.

The previous prime is 84782934727. The next prime is 84782934791. The reversal of 84782934731 is 13743928748.

It is a happy number.

It is not a de Polignac number, because 84782934731 - 2² = 84782934727 is a prime.

It is a super-2 number, since 2×84782934731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84782934791) 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 5 ways as a sum of consecutive naturals, for example, 350342585 + ... + 350342826.

It is an arithmetic number, because the mean of its divisors is an integer number (15531859966).

Almost surely, 2^84782934731 is an apocalyptic number.

84782934731 is a deficient number, since it is larger than the sum of its proper divisors (8408225065).

84782934731 is a wasteful number, since it uses less digits than its factorization.

84782934731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700685433 (or 700685422 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The spelling of 84782934731 in words is "eighty-four billion, seven hundred eighty-two million, nine hundred thirty-four thousand, seven hundred thirty-one".