83672674581 has 16 divisors (see below), whose sum is σ = 114296434560. Its totient is φ = 54415630080.

The previous prime is 83672674573. The next prime is 83672674597. The reversal of 83672674581 is 18547627638.

It is not a de Polignac number, because 83672674581 - 2³ = 83672674573 is a prime.

It is a super-2 number, since 2×83672674581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83672674571) 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, 1396600 + ... + 1455278.

It is an arithmetic number, because the mean of its divisors is an integer number (7143527160).

Almost surely, 2^83672674581 is an apocalyptic number.

It is an amenable number.

83672674581 is a deficient number, since it is larger than the sum of its proper divisors (30623759979).

83672674581 is a wasteful number, since it uses less digits than its factorization.

83672674581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70316.

The product of its digits is 13547520, while the sum is 57.

The spelling of 83672674581 in words is "eighty-three billion, six hundred seventy-two million, six hundred seventy-four thousand, five hundred eighty-one".