83913088957 has 2 divisors, whose sum is σ = 83913088958. Its totient is φ = 83913088956.

The previous prime is 83913088913. The next prime is 83913088967. The reversal of 83913088957 is 75988031938.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59548688676 + 24364400281 = 244026^2 + 156091^2 .

It is a cyclic number.

It is not a de Polignac number, because 83913088957 - 2⁷ = 83913088829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83913088895 and 83913088904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83913088967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41956544478 + 41956544479.

It is an arithmetic number, because the mean of its divisors is an integer number (41956544479).

Almost surely, 2^83913088957 is an apocalyptic number.

It is an amenable number.

83913088957 is a deficient number, since it is larger than the sum of its proper divisors (1).

83913088957 is an equidigital number, since it uses as much as digits as its factorization.

83913088957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 61.

The spelling of 83913088957 in words is "eighty-three billion, nine hundred thirteen million, eighty-eight thousand, nine hundred fifty-seven".