83637796804 has 27 divisors (see below), whose sum is σ = 153030915247. Its totient is φ = 39994322984.

The previous prime is 83637796771. The next prime is 83637796819. The reversal of 83637796804 is 40869773638.

The square root of 83637796804 is 289202.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×83637796804² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13300149 + ... + 13306435.

Almost surely, 2^83637796804 is an apocalyptic number.

83637796804 is the 289202-nd square number.

It is an amenable number.

83637796804 is a deficient number, since it is larger than the sum of its proper divisors (69393118443).

83637796804 is an frugal number, since it uses more digits than its factorization.

83637796804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624 (or 6312 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 83637796804 in words is "eighty-three billion, six hundred thirty-seven million, seven hundred ninety-six thousand, eight hundred four".