772396969 has 2 divisors, whose sum is σ = 772396970. Its totient is φ = 772396968.

The previous prime is 772396951. The next prime is 772396997. The reversal of 772396969 is 969693277.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414733225 + 357663744 = 20365^2 + 18912^2 .

It is a cyclic number.

It is not a de Polignac number, because 772396969 - 2⁷ = 772396841 is a prime.

It is a super-2 number, since 2×772396969² = 1193194155440773922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (772396069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386198484 + 386198485.

It is an arithmetic number, because the mean of its divisors is an integer number (386198485).

Almost surely, 2^772396969 is an apocalyptic number.

It is an amenable number.

772396969 is a deficient number, since it is larger than the sum of its proper divisors (1).

772396969 is an equidigital number, since it uses as much as digits as its factorization.

772396969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 58.

The square root of 772396969 is about 27792.0306742778. The cubic root of 772396969 is about 917.5157336060.

The spelling of 772396969 in words is "seven hundred seventy-two million, three hundred ninety-six thousand, nine hundred sixty-nine".