78792830971 has 2 divisors, whose sum is σ = 78792830972. Its totient is φ = 78792830970.

The previous prime is 78792830969. The next prime is 78792831031. The reversal of 78792830971 is 17903829787.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78792830971 - 2¹ = 78792830969 is a prime.

Together with 78792830969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (78792830951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39396415485 + 39396415486.

It is an arithmetic number, because the mean of its divisors is an integer number (39396415486).

Almost surely, 2^78792830971 is an apocalyptic number.

78792830971 is a deficient number, since it is larger than the sum of its proper divisors (1).

78792830971 is an equidigital number, since it uses as much as digits as its factorization.

78792830971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 61.

The spelling of 78792830971 in words is "seventy-eight billion, seven hundred ninety-two million, eight hundred thirty thousand, nine hundred seventy-one".