83732379553 has 2 divisors, whose sum is σ = 83732379554. Its totient is φ = 83732379552.

The previous prime is 83732379529. The next prime is 83732379569. The reversal of 83732379553 is 35597323738.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68135616784 + 15596762769 = 261028^2 + 124887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83732379553 is a prime.

It is a super-2 number, since 2×83732379553² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83732379494 and 83732379503.

It is not a weakly prime, because it can be changed into another prime (83732359553) 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 as a sum of consecutive naturals, namely, 41866189776 + 41866189777.

It is an arithmetic number, because the mean of its divisors is an integer number (41866189777).

Almost surely, 2^83732379553 is an apocalyptic number.

It is an amenable number.

83732379553 is a deficient number, since it is larger than the sum of its proper divisors (1).

83732379553 is an equidigital number, since it uses as much as digits as its factorization.

83732379553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 55.

The spelling of 83732379553 in words is "eighty-three billion, seven hundred thirty-two million, three hundred seventy-nine thousand, five hundred fifty-three".