83732379554 has 16 divisors (see below), whose sum is σ = 129721356792. Its totient is φ = 40513569408.

The previous prime is 83732379553. The next prime is 83732379569. The reversal of 83732379554 is 45597323738.

It can be written as a sum of positive squares in 4 ways, for example, as 71410269529 + 12322110025 = 267227^2 + 111005^2 .

It is a super-2 number, since 2×83732379554² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83732379554.

It is not an unprimeable number, because it can be changed into a prime (83732379553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402729 + ... + 5418204.

Almost surely, 2^83732379554 is an apocalyptic number.

83732379554 is a deficient number, since it is larger than the sum of its proper divisors (45988977238).

83732379554 is a wasteful number, since it uses less digits than its factorization.

83732379554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821061.

The product of its digits is 19051200, while the sum is 56.

The spelling of 83732379554 in words is "eighty-three billion, seven hundred thirty-two million, three hundred seventy-nine thousand, five hundred fifty-four".