80937697933 has 2 divisors, whose sum is σ = 80937697934. Its totient is φ = 80937697932.

The previous prime is 80937697909. The next prime is 80937697943. The reversal of 80937697933 is 33979673908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76486539844 + 4451158089 = 276562^2 + 66717^2 .

It is a cyclic number.

It is not a de Polignac number, because 80937697933 - 2¹⁷ = 80937566861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80937697943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40468848966 + 40468848967.

It is an arithmetic number, because the mean of its divisors is an integer number (40468848967).

Almost surely, 2^80937697933 is an apocalyptic number.

It is an amenable number.

80937697933 is a deficient number, since it is larger than the sum of its proper divisors (1).

80937697933 is an equidigital number, since it uses as much as digits as its factorization.

80937697933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46294416, while the sum is 64.

The spelling of 80937697933 in words is "eighty billion, nine hundred thirty-seven million, six hundred ninety-seven thousand, nine hundred thirty-three".