772701361 has 2 divisors, whose sum is σ = 772701362. Its totient is φ = 772701360.

The previous prime is 772701359. The next prime is 772701373. The reversal of 772701361 is 163107277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596873761 + 175827600 = 24431^2 + 13260^2 .

It is an emirp because it is prime and its reverse (163107277) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 772701361 - 2¹ = 772701359 is a prime.

Together with 772701359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (772701301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386350680 + 386350681.

It is an arithmetic number, because the mean of its divisors is an integer number (386350681).

Almost surely, 2^772701361 is an apocalyptic number.

It is an amenable number.

772701361 is a deficient number, since it is larger than the sum of its proper divisors (1).

772701361 is an equidigital number, since it uses as much as digits as its factorization.

772701361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 772701361 is about 27797.5063809688. The cubic root of 772701361 is about 917.6362449410.

The spelling of 772701361 in words is "seven hundred seventy-two million, seven hundred one thousand, three hundred sixty-one".