72392833897 has 2 divisors, whose sum is σ = 72392833898. Its totient is φ = 72392833896.

The previous prime is 72392833889. The next prime is 72392833927. The reversal of 72392833897 is 79833829327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46735521856 + 25657312041 = 216184^2 + 160179^2 .

It is a cyclic number.

It is not a de Polignac number, because 72392833897 - 2³ = 72392833889 is a prime.

It is not a weakly prime, because it can be changed into another prime (72392831897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36196416948 + 36196416949.

It is an arithmetic number, because the mean of its divisors is an integer number (36196416949).

Almost surely, 2^72392833897 is an apocalyptic number.

It is an amenable number.

72392833897 is a deficient number, since it is larger than the sum of its proper divisors (1).

72392833897 is an equidigital number, since it uses as much as digits as its factorization.

72392833897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 61.

The spelling of 72392833897 in words is "seventy-two billion, three hundred ninety-two million, eight hundred thirty-three thousand, eight hundred ninety-seven".