770023408 has 80 divisors (see below), whose sum is σ = 1866309120. Its totient is φ = 299001600.

The previous prime is 770023369. The next prime is 770023409. The reversal of 770023408 is 804320077.

It is a self number, because there is not a number n which added to its sum of digits gives 770023408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441418 + ... + 443158.

It is an arithmetic number, because the mean of its divisors is an integer number (23328864).

Almost surely, 2^770023408 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 770023408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933154560).

770023408 is an abundant number, since it is smaller than the sum of its proper divisors (1096285712).

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

770023408 is a wasteful number, since it uses less digits than its factorization.

770023408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 770023408 is about 27749.2956307003. The cubic root of 770023408 is about 916.5749332041.

The spelling of 770023408 in words is "seven hundred seventy million, twenty-three thousand, four hundred eight".