770378123 has 16 divisors (see below), whose sum is σ = 847480320. Its totient is φ = 697029696.

The previous prime is 770378113. The next prime is 770378129. The reversal of 770378123 is 321873077.

It is a cyclic number.

It is not a de Polignac number, because 770378123 - 2¹⁸ = 770115979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770378129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478586 + ... + 480192.

It is an arithmetic number, because the mean of its divisors is an integer number (52967520).

Almost surely, 2^770378123 is an apocalyptic number.

770378123 is a deficient number, since it is larger than the sum of its proper divisors (77102197).

770378123 is a wasteful number, since it uses less digits than its factorization.

770378123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 770378123 is about 27755.6863183024. The cubic root of 770378123 is about 916.7156531544.

The spelling of 770378123 in words is "seven hundred seventy million, three hundred seventy-eight thousand, one hundred twenty-three".