83576077 has 16 divisors (see below), whose sum is σ = 91630000. Its totient is φ = 76220352.

The previous prime is 83576027. The next prime is 83576107. The reversal of 83576077 is 77067538.

It can be written as a sum of positive squares in 8 ways, for example, as 39300361 + 44275716 = 6269^2 + 6654^2 .

It is a de Polignac number, because none of the positive numbers 2^k-83576077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83576027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239299 + ... + 239647.

It is an arithmetic number, because the mean of its divisors is an integer number (5726875).

Almost surely, 2^83576077 is an apocalyptic number.

It is an amenable number.

83576077 is a deficient number, since it is larger than the sum of its proper divisors (8053923).

83576077 is a wasteful number, since it uses less digits than its factorization.

83576077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 83576077 is about 9141.9952417402. The cubic root of 83576077 is about 437.2139334813.

The spelling of 83576077 in words is "eighty-three million, five hundred seventy-six thousand, seventy-seven".