84513976 has 32 divisors (see below), whose sum is σ = 167328000. Its totient is φ = 39907296.

The previous prime is 84513973. The next prime is 84514009. The reversal of 84513976 is 67931548.

It is a super-2 number, since 2×84513976² = 14285224278657152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84513973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63025 + ... + 64351.

It is an arithmetic number, because the mean of its divisors is an integer number (5229000).

Almost surely, 2^84513976 is an apocalyptic number.

84513976 is the 5308-th octagonal number.

It is an amenable number.

84513976 is a deficient number, since it is larger than the sum of its proper divisors (82814024).

84513976 is a wasteful number, since it uses less digits than its factorization.

84513976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1767 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 84513976 is about 9193.1483181770. The cubic root of 84513976 is about 438.8433394758.

The spelling of 84513976 in words is "eighty-four million, five hundred thirteen thousand, nine hundred seventy-six".