83694474507 has 16 divisors (see below), whose sum is σ = 127785012480. Its totient is φ = 47731448352.

The previous prime is 83694474499. The next prime is 83694474509. The reversal of 83694474507 is 70547449638.

It is not a de Polignac number, because 83694474507 - 2³ = 83694474499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83694474509) 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, 3904293 + ... + 3925670.

It is an arithmetic number, because the mean of its divisors is an integer number (7986563280).

Almost surely, 2^83694474507 is an apocalyptic number.

83694474507 is a deficient number, since it is larger than the sum of its proper divisors (44090537973).

83694474507 is a wasteful number, since it uses less digits than its factorization.

83694474507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830482.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 83694474507 in words is "eighty-three billion, six hundred ninety-four million, four hundred seventy-four thousand, five hundred seven".