770777088 has 112 divisors (see below), whose sum is σ = 2086538880. Its totient is φ = 253034496.

The previous prime is 770777083. The next prime is 770777089. The reversal of 770777088 is 880777077.

It is a self number, because there is not a number n which added to its sum of digits gives 770777088.

It is not an unprimeable number, because it can be changed into a prime (770777083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941306 + ... + 1941702.

Almost surely, 2^770777088 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 770777088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043269440).

770777088 is an abundant number, since it is smaller than the sum of its proper divisors (1315761792).

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

770777088 is an equidigital number, since it uses as much as digits as its factorization.

770777088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 1075648, while the sum is 51.

The square root of 770777088 is about 27762.8724738634. The cubic root of 770777088 is about 916.8738760372.

The spelling of 770777088 in words is "seven hundred seventy million, seven hundred seventy-seven thousand, eighty-eight".