83921504592 has 40 divisors (see below), whose sum is σ = 216821363616. Its totient is φ = 27970719616.

The previous prime is 83921504551. The next prime is 83921504593. The reversal of 83921504592 is 29540512938.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83921504593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360343 + ... + 545609.

Almost surely, 2^83921504592 is an apocalyptic number.

It is an amenable number.

83921504592 is an abundant number, since it is smaller than the sum of its proper divisors (132899859024).

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

83921504592 is a wasteful number, since it uses less digits than its factorization.

83921504592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194715 (or 194709 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 83921504592 in words is "eighty-three billion, nine hundred twenty-one million, five hundred four thousand, five hundred ninety-two".