77967795259 has 2 divisors, whose sum is σ = 77967795260. Its totient is φ = 77967795258.

The previous prime is 77967795253. The next prime is 77967795313. The reversal of 77967795259 is 95259776977.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77967795259 - 2³ = 77967795251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77967795191 and 77967795200.

It is not a weakly prime, because it can be changed into another prime (77967795251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38983897629 + 38983897630.

It is an arithmetic number, because the mean of its divisors is an integer number (38983897630).

Almost surely, 2^77967795259 is an apocalyptic number.

77967795259 is a deficient number, since it is larger than the sum of its proper divisors (1).

77967795259 is an equidigital number, since it uses as much as digits as its factorization.

77967795259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 525098700, while the sum is 73.

The spelling of 77967795259 in words is "seventy-seven billion, nine hundred sixty-seven million, seven hundred ninety-five thousand, two hundred fifty-nine".