770998133 has 2 divisors, whose sum is σ = 770998134. Its totient is φ = 770998132.

The previous prime is 770998121. The next prime is 770998171. The reversal of 770998133 is 331899077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 767456209 + 3541924 = 27703^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 770998133 - 2⁶ = 770998069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770998183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385499066 + 385499067.

It is an arithmetic number, because the mean of its divisors is an integer number (385499067).

Almost surely, 2^770998133 is an apocalyptic number.

It is an amenable number.

770998133 is a deficient number, since it is larger than the sum of its proper divisors (1).

770998133 is an equidigital number, since it uses as much as digits as its factorization.

770998133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 770998133 is about 27766.8531346280. The cubic root of 770998133 is about 916.9615153033.

The spelling of 770998133 in words is "seven hundred seventy million, nine hundred ninety-eight thousand, one hundred thirty-three".