770864406 has 16 divisors (see below), whose sum is σ = 1660323504. Its totient is φ = 237189024.

The previous prime is 770864359. The next prime is 770864407. The reversal of 770864406 is 604468077.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770864407) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4941361 + ... + 4941516.

It is an arithmetic number, because the mean of its divisors is an integer number (103770219).

Almost surely, 2^770864406 is an apocalyptic number.

770864406 is an abundant number, since it is smaller than the sum of its proper divisors (889459098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770864406 is a wasteful number, since it uses less digits than its factorization.

770864406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882895.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 770864406 is about 27764.4449971542. Note that the first 3 decimals coincide. The cubic root of 770864406 is about 916.9084976208.

The spelling of 770864406 in words is "seven hundred seventy million, eight hundred sixty-four thousand, four hundred six".