770699776 has 160 divisors (see below), whose sum is σ = 1948053888. Its totient is φ = 295895040.

The previous prime is 770699771. The next prime is 770699789. The reversal of 770699776 is 677996077.

It is a super-3 number, since 3×770699776³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 770699776.

It is not an unprimeable number, because it can be changed into a prime (770699771) 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, 4454826 + ... + 4454998.

Almost surely, 2^770699776 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 770699776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974026944).

770699776 is an abundant number, since it is smaller than the sum of its proper divisors (1177354112).

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

770699776 is a wasteful number, since it uses less digits than its factorization.

770699776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 7001316, while the sum is 58.

The square root of 770699776 is about 27761.4800758173. The cubic root of 770699776 is about 916.8432196497.

The spelling of 770699776 in words is "seven hundred seventy million, six hundred ninety-nine thousand, seven hundred seventy-six".