769868977 has 4 divisors (see below), whose sum is σ = 786249216. Its totient is φ = 753488740.

The previous prime is 769868929. The next prime is 769869007. The reversal of 769868977 is 779868967.

769868977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779868967 = 347 ⋅2247461.

It is a cyclic number.

It is not a de Polignac number, because 769868977 - 2¹⁵ = 769836209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (769868377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8190049 + ... + 8190142.

It is an arithmetic number, because the mean of its divisors is an integer number (196562304).

Almost surely, 2^769868977 is an apocalyptic number.

It is an amenable number.

769868977 is a deficient number, since it is larger than the sum of its proper divisors (16380239).

769868977 is a wasteful number, since it uses less digits than its factorization.

769868977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380238.

The product of its digits is 64012032, while the sum is 67.

The square root of 769868977 is about 27746.5128799999. The cubic root of 769868977 is about 916.5136549600.

The spelling of 769868977 in words is "seven hundred sixty-nine million, eight hundred sixty-eight thousand, nine hundred seventy-seven".