83564076 has 12 divisors (see below), whose sum is σ = 194982872. Its totient is φ = 27854688.

The previous prime is 83564023. The next prime is 83564077. The reversal of 83564076 is 67046538.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (83564077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3481825 + ... + 3481848.

Almost surely, 2^83564076 is an apocalyptic number.

It is an amenable number.

83564076 is an abundant number, since it is smaller than the sum of its proper divisors (111418796).

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

83564076 is a wasteful number, since it uses less digits than its factorization.

83564076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963680 (or 6963678 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 83564076 is about 9141.3388516125. The cubic root of 83564076 is about 437.1930054208.

The spelling of 83564076 in words is "eighty-three million, five hundred sixty-four thousand, seventy-six".