777112601 has 2 divisors, whose sum is σ = 777112602. Its totient is φ = 777112600.

The previous prime is 777112579. The next prime is 777112603. The reversal of 777112601 is 106211777.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645414025 + 131698576 = 25405^2 + 11476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-777112601 is a prime.

Together with 777112603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (777112603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388556300 + 388556301.

It is an arithmetic number, because the mean of its divisors is an integer number (388556301).

Almost surely, 2^777112601 is an apocalyptic number.

It is an amenable number.

777112601 is a deficient number, since it is larger than the sum of its proper divisors (1).

777112601 is an equidigital number, since it uses as much as digits as its factorization.

777112601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 32.

The square root of 777112601 is about 27876.7394255498. The cubic root of 777112601 is about 919.3791498834.

The spelling of 777112601 in words is "seven hundred seventy-seven million, one hundred twelve thousand, six hundred one".