7700000770 has 48 divisors (see below), whose sum is σ = 17410929984. Its totient is φ = 2399997600.

The previous prime is 7700000753. The next prime is 7700000783. The reversal of 7700000770 is 770000077.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 446076 + ... + 463015.

It is an arithmetic number, because the mean of its divisors is an integer number (362727708).

Almost surely, 2^7700000770 is an apocalyptic number.

7700000770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7700000770 is an abundant number, since it is smaller than the sum of its proper divisors (9710929214).

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

7700000770 is a wasteful number, since it uses less digits than its factorization.

7700000770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909127 (or 909116 counting only the distinct ones).

The product of its (nonzero) digits is 2401, while the sum is 28.

The square root of 7700000770 is about 87749.6482614033. The cubic root of 7700000770 is about 1974.6808880351.

It can be divided in two parts, 77000007 and 70, that added together give a palindrome (77000077).

The spelling of 7700000770 in words is "seven billion, seven hundred million, seven hundred seventy", and thus it is an aban number.