772046831 has 2 divisors, whose sum is σ = 772046832. Its totient is φ = 772046830.

The previous prime is 772046809. The next prime is 772046833. The reversal of 772046831 is 138640277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772046831 - 2⁶ = 772046767 is a prime.

It is a super-2 number, since 2×772046831² = 1192112618514285122, which contains 22 as substring.

Together with 772046833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (772046833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386023415 + 386023416.

It is an arithmetic number, because the mean of its divisors is an integer number (386023416).

Almost surely, 2^772046831 is an apocalyptic number.

772046831 is a deficient number, since it is larger than the sum of its proper divisors (1).

772046831 is an equidigital number, since it uses as much as digits as its factorization.

772046831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 772046831 is about 27785.7307084050. The cubic root of 772046831 is about 917.3770718848.

The spelling of 772046831 in words is "seven hundred seventy-two million, forty-six thousand, eight hundred thirty-one".