772392947 has 2 divisors, whose sum is σ = 772392948. Its totient is φ = 772392946.

The previous prime is 772392911. The next prime is 772392949. The reversal of 772392947 is 749293277.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 772392947 - 2¹⁶ = 772327411 is a prime.

Together with 772392949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 772392895 and 772392904.

It is not a weakly prime, because it can be changed into another prime (772392949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386196473 + 386196474.

It is an arithmetic number, because the mean of its divisors is an integer number (386196474).

Almost surely, 2^772392947 is an apocalyptic number.

772392947 is a deficient number, since it is larger than the sum of its proper divisors (1).

772392947 is an equidigital number, since it uses as much as digits as its factorization.

772392947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 50.

The square root of 772392947 is about 27791.9583153113. The cubic root of 772392947 is about 917.5141410507.

The spelling of 772392947 in words is "seven hundred seventy-two million, three hundred ninety-two thousand, nine hundred forty-seven".