770955345 has 24 divisors (see below), whose sum is σ = 1341311400. Its totient is φ = 409641216.

The previous prime is 770955329. The next prime is 770955359. The reversal of 770955345 is 543559077.

It can be written as a sum of positive squares in 4 ways, for example, as 4717584 + 766237761 = 2172^2 + 27681^2 .

It is not a de Polignac number, because 770955345 - 2⁴ = 770955329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 770955345.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 19740 + ... + 43949.

It is an arithmetic number, because the mean of its divisors is an integer number (55887975).

Almost surely, 2^770955345 is an apocalyptic number.

It is an amenable number.

770955345 is a deficient number, since it is larger than the sum of its proper divisors (570356055).

770955345 is a wasteful number, since it uses less digits than its factorization.

770955345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63969 (or 63966 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The square root of 770955345 is about 27766.0826369151. The cubic root of 770955345 is about 916.9445521515.

The spelling of 770955345 in words is "seven hundred seventy million, nine hundred fifty-five thousand, three hundred forty-five".