83679927553 has 2 divisors, whose sum is σ = 83679927554. Its totient is φ = 83679927552.

The previous prime is 83679927523. The next prime is 83679927649. The reversal of 83679927553 is 35572997638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63762815169 + 19917112384 = 252513^2 + 141128^2 .

It is a cyclic number.

It is not a de Polignac number, because 83679927553 - 2⁹ = 83679927041 is a prime.

It is not a weakly prime, because it can be changed into another prime (83679927523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41839963776 + 41839963777.

It is an arithmetic number, because the mean of its divisors is an integer number (41839963777).

Almost surely, 2^83679927553 is an apocalyptic number.

It is an amenable number.

83679927553 is a deficient number, since it is larger than the sum of its proper divisors (1).

83679927553 is an equidigital number, since it uses as much as digits as its factorization.

83679927553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85730400, while the sum is 64.

The spelling of 83679927553 in words is "eighty-three billion, six hundred seventy-nine million, nine hundred twenty-seven thousand, five hundred fifty-three".