76639583707 has 2 divisors, whose sum is σ = 76639583708. Its totient is φ = 76639583706.

The previous prime is 76639583677. The next prime is 76639583731. The reversal of 76639583707 is 70738593667.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76639583707 is a prime.

It is not a weakly prime, because it can be changed into another prime (76639583507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38319791853 + 38319791854.

It is an arithmetic number, because the mean of its divisors is an integer number (38319791854).

Almost surely, 2^76639583707 is an apocalyptic number.

76639583707 is a deficient number, since it is larger than the sum of its proper divisors (1).

76639583707 is an equidigital number, since it uses as much as digits as its factorization.

76639583707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40007520, while the sum is 61.

The spelling of 76639583707 in words is "seventy-six billion, six hundred thirty-nine million, five hundred eighty-three thousand, seven hundred seven".