83961298692 has 36 divisors (see below), whose sum is σ = 212244391996. Its totient is φ = 27985927680.

The previous prime is 83961298679. The next prime is 83961298711. The reversal of 83961298692 is 29689216938.

83961298692 is a `hidden beast` number, since 8 + 3 + 9 + 612 + 9 + 8 + 6 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 78364164096 + 5597134596 = 279936^2 + 74814^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1470192 + ... + 1526232.

Almost surely, 2^83961298692 is an apocalyptic number.

It is an amenable number.

83961298692 is an abundant number, since it is smaller than the sum of its proper divisors (128283093304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83961298692 is a wasteful number, since it uses less digits than its factorization.

83961298692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97668 (or 97663 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The spelling of 83961298692 in words is "eighty-three billion, nine hundred sixty-one million, two hundred ninety-eight thousand, six hundred ninety-two".