770123008 has 72 divisors (see below), whose sum is σ = 1586471040. Its totient is φ = 372879360.

The previous prime is 770122999. The next prime is 770123009. The reversal of 770123008 is 800321077.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770123009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508391 + ... + 2508697.

It is an arithmetic number, because the mean of its divisors is an integer number (22034320).

Almost surely, 2^770123008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770123008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793235520).

770123008 is an abundant number, since it is smaller than the sum of its proper divisors (816348032).

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

770123008 is a wasteful number, since it uses less digits than its factorization.

770123008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 770123008 is about 27751.0902128187. The cubic root of 770123008 is about 916.6144501533.

The spelling of 770123008 in words is "seven hundred seventy million, one hundred twenty-three thousand, eight".