7700000077 has 16 divisors (see below), whose sum is σ = 10164707712. Its totient is φ = 5647057920.

The previous prime is 7700000071. The next prime is 7700000081.

7700000077 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7700000077 - 2⁷ = 7699999949 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7700000071) 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, 2939868 + ... + 2942485.

It is an arithmetic number, because the mean of its divisors is an integer number (635294232).

Almost surely, 2^7700000077 is an apocalyptic number.

7700000077 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

7700000077 is a deficient number, since it is larger than the sum of its proper divisors (2464707635).

7700000077 is a wasteful number, since it uses less digits than its factorization.

7700000077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882388.

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

The square root of 7700000077 is about 87749.6443126694. The cubic root of 7700000077 is about 1974.6808287946.

It can be divided in two parts, 77000000 and 77, that multiplied together give a square (5929000000 = 77000²).

The spelling of 7700000077 in words is "seven billion, seven hundred million, seventy-seven", and thus it is an aban number.