76433983937 has 2 divisors, whose sum is σ = 76433983938. Its totient is φ = 76433983936.

The previous prime is 76433983903. The next prime is 76433983943. The reversal of 76433983937 is 73938933467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39137104561 + 37296879376 = 197831^2 + 193124^2 .

It is a cyclic number.

It is not a de Polignac number, because 76433983937 - 2²⁰ = 76432935361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76433983937.

It is not a weakly prime, because it can be changed into another prime (76433983037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38216991968 + 38216991969.

It is an arithmetic number, because the mean of its divisors is an integer number (38216991969).

Almost surely, 2^76433983937 is an apocalyptic number.

It is an amenable number.

76433983937 is a deficient number, since it is larger than the sum of its proper divisors (1).

76433983937 is an equidigital number, since it uses as much as digits as its factorization.

76433983937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61725888, while the sum is 62.

The spelling of 76433983937 in words is "seventy-six billion, four hundred thirty-three million, nine hundred eighty-three thousand, nine hundred thirty-seven".