83491807092 has 12 divisors (see below), whose sum is σ = 194814216576. Its totient is φ = 27830602360.

The previous prime is 83491807081. The next prime is 83491807153. The reversal of 83491807092 is 29070819438.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3478825284 + ... + 3478825307.

It is an arithmetic number, because the mean of its divisors is an integer number (16234518048).

Almost surely, 2^83491807092 is an apocalyptic number.

It is an amenable number.

83491807092 is an abundant number, since it is smaller than the sum of its proper divisors (111322409484).

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

83491807092 is a wasteful number, since it uses less digits than its factorization.

83491807092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957650598 (or 6957650596 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 83491807092 in words is "eighty-three billion, four hundred ninety-one million, eight hundred seven thousand, ninety-two".