770894952645 has 64 divisors (see below), whose sum is σ = 1250183024640. Its totient is φ = 405603244800.

The previous prime is 770894952601. The next prime is 770894952727. The reversal of 770894952645 is 546259498077.

It is a happy number.

It is not a de Polignac number, because 770894952645 - 2¹⁰ = 770894951621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 580929972 + ... + 580931298.

It is an arithmetic number, because the mean of its divisors is an integer number (19534109760).

Almost surely, 2^770894952645 is an apocalyptic number.

It is an amenable number.

770894952645 is a deficient number, since it is larger than the sum of its proper divisors (479288071995).

770894952645 is a wasteful number, since it uses less digits than its factorization.

770894952645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its (nonzero) digits is 152409600, while the sum is 66.

The spelling of 770894952645 in words is "seven hundred seventy billion, eight hundred ninety-four million, nine hundred fifty-two thousand, six hundred forty-five".