84512632844 has 12 divisors (see below), whose sum is σ = 151894326864. Its totient is φ = 41114253744.

The previous prime is 84512632829. The next prime is 84512632859. The reversal of 84512632844 is 44823621548.

It is an interprime number because it is at equal distance from previous prime (84512632829) and next prime (84512632859).

It is a super-2 number, since 2×84512632844² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285515504 + ... + 285515799.

It is an arithmetic number, because the mean of its divisors is an integer number (12657860572).

Almost surely, 2^84512632844 is an apocalyptic number.

It is an amenable number.

84512632844 is a deficient number, since it is larger than the sum of its proper divisors (67381694020).

84512632844 is a wasteful number, since it uses less digits than its factorization.

84512632844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571031344 (or 571031342 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 47.

The spelling of 84512632844 in words is "eighty-four billion, five hundred twelve million, six hundred thirty-two thousand, eight hundred forty-four".