76744630873 has 2 divisors, whose sum is σ = 76744630874. Its totient is φ = 76744630872.

The previous prime is 76744630861. The next prime is 76744630891. The reversal of 76744630873 is 37803644767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47500894809 + 29243736064 = 217947^2 + 171008^2 .

It is a cyclic number.

It is not a de Polignac number, because 76744630873 - 2⁵ = 76744630841 is a prime.

It is not a weakly prime, because it can be changed into another prime (76744630973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38372315436 + 38372315437.

It is an arithmetic number, because the mean of its divisors is an integer number (38372315437).

Almost surely, 2^76744630873 is an apocalyptic number.

It is an amenable number.

76744630873 is a deficient number, since it is larger than the sum of its proper divisors (1).

76744630873 is an equidigital number, since it uses as much as digits as its factorization.

76744630873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14224896, while the sum is 55.

The spelling of 76744630873 in words is "seventy-six billion, seven hundred forty-four million, six hundred thirty thousand, eight hundred seventy-three".