77422007807 has 2 divisors, whose sum is σ = 77422007808. Its totient is φ = 77422007806.

The previous prime is 77422007797. The next prime is 77422007849. The reversal of 77422007807 is 70870022477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77422007807 - 2¹⁶ = 77421942271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77422027807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38711003903 + 38711003904.

It is an arithmetic number, because the mean of its divisors is an integer number (38711003904).

Almost surely, 2^77422007807 is an apocalyptic number.

77422007807 is a deficient number, since it is larger than the sum of its proper divisors (1).

77422007807 is an equidigital number, since it uses as much as digits as its factorization.

77422007807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 307328, while the sum is 44.

The spelling of 77422007807 in words is "seventy-seven billion, four hundred twenty-two million, seven thousand, eight hundred seven".