770000077 has 12 divisors (see below), whose sum is σ = 967273888. Its totient is φ = 599999400.

The previous prime is 770000051. The next prime is 770000129.

770000077 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 770000077 - 2⁷ = 769999949 is a prime.

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 (770000017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453699 + ... + 455392.

Almost surely, 2^770000077 is an apocalyptic number.

770000077 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

770000077 is a deficient number, since it is larger than the sum of its proper divisors (197273811).

770000077 is a wasteful number, since it uses less digits than its factorization.

770000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909120 (or 909109 counting only the distinct ones).

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

The square root of 770000077 is about 27748.8752384669. The cubic root of 770000077 is about 916.5656759852.

It can be divided in two parts, 7700000 and 77, that added together give a palindrome (7700077).

The spelling of 770000077 in words is "seven hundred seventy million, seventy-seven", and thus it is an aban number.