770922645 has 16 divisors (see below), whose sum is σ = 1238915520. Its totient is φ = 409345664.

The previous prime is 770922637. The next prime is 770922707. The reversal of 770922645 is 546229077.

It is a cyclic number.

It is not a de Polignac number, because 770922645 - 2³ = 770922637 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 770922597 and 770922606.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 109800 + ... + 116609.

It is an arithmetic number, because the mean of its divisors is an integer number (77432220).

Almost surely, 2^770922645 is an apocalyptic number.

It is an amenable number.

770922645 is a deficient number, since it is larger than the sum of its proper divisors (467992875).

770922645 is a wasteful number, since it uses less digits than its factorization.

770922645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226644.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 770922645 is about 27765.4937827513. The cubic root of 770922645 is about 916.9315879286.

The spelling of 770922645 in words is "seven hundred seventy million, nine hundred twenty-two thousand, six hundred forty-five".