770332991 has 2 divisors, whose sum is σ = 770332992. Its totient is φ = 770332990.

The previous prime is 770332973. The next prime is 770333063. The reversal of 770332991 is 199233077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 770332991 - 2¹⁴ = 770316607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770332091) 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, 385166495 + 385166496.

It is an arithmetic number, because the mean of its divisors is an integer number (385166496).

Almost surely, 2^770332991 is an apocalyptic number.

770332991 is a deficient number, since it is larger than the sum of its proper divisors (1).

770332991 is an equidigital number, since it uses as much as digits as its factorization.

770332991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 770332991 is about 27754.8732838037. The cubic root of 770332991 is about 916.6977511149.

The spelling of 770332991 in words is "seven hundred seventy million, three hundred thirty-two thousand, nine hundred ninety-one".