83507716 has 6 divisors (see below), whose sum is σ = 146138510. Its totient is φ = 41753856.

The previous prime is 83507651. The next prime is 83507729. The reversal of 83507716 is 61770538.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 38564100 = 6704^2 + 6210^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10438461 + ... + 10438468.

Almost surely, 2^83507716 is an apocalyptic number.

It is an amenable number.

83507716 is a deficient number, since it is larger than the sum of its proper divisors (62630794).

83507716 is a wasteful number, since it uses less digits than its factorization.

83507716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20876933 (or 20876931 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 83507716 is about 9138.2556322309. The cubic root of 83507716 is about 437.0946946770.

The spelling of 83507716 in words is "eighty-three million, five hundred seven thousand, seven hundred sixteen".