770645093 has 2 divisors, whose sum is σ = 770645094. Its totient is φ = 770645092.

The previous prime is 770645087. The next prime is 770645119. The reversal of 770645093 is 390546077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438567364 + 332077729 = 20942^2 + 18223^2 .

It is a cyclic number.

It is not a de Polignac number, because 770645093 - 2⁴ = 770645077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 770645093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770645023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385322546 + 385322547.

It is an arithmetic number, because the mean of its divisors is an integer number (385322547).

Almost surely, 2^770645093 is an apocalyptic number.

It is an amenable number.

770645093 is a deficient number, since it is larger than the sum of its proper divisors (1).

770645093 is an equidigital number, since it uses as much as digits as its factorization.

770645093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 770645093 is about 27760.4951865056. The cubic root of 770645093 is about 916.8215350607.

The spelling of 770645093 in words is "seven hundred seventy million, six hundred forty-five thousand, ninety-three".