84976512 has 96 divisors (see below), whose sum is σ = 238612680. Its totient is φ = 26790912.

The previous prime is 84976501. The next prime is 84976519. The reversal of 84976512 is 21567948.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×84976512² = 14442015183372288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84976519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138318 + ... + 138930.

Almost surely, 2^84976512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84976512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119306340).

84976512 is an abundant number, since it is smaller than the sum of its proper divisors (153636168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84976512 is a wasteful number, since it uses less digits than its factorization.

84976512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 637 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 84976512 is about 9218.2705536342. The cubic root of 84976512 is about 439.6424643730.

The spelling of 84976512 in words is "eighty-four million, nine hundred seventy-six thousand, five hundred twelve".