6777691434 has 24 divisors (see below), whose sum is σ = 14933898720. Its totient is φ = 2220938088.

The previous prime is 6777691421. The next prime is 6777691511. The reversal of 6777691434 is 4341967776.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3189942 + ... + 3192065.

It is an arithmetic number, because the mean of its divisors is an integer number (622245780).

Almost surely, 2^6777691434 is an apocalyptic number.

6777691434 is an abundant number, since it is smaller than the sum of its proper divisors (8156207286).

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

6777691434 is a wasteful number, since it uses less digits than its factorization.

6777691434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382074 (or 6382071 counting only the distinct ones).

The product of its digits is 5334336, while the sum is 54.

The square root of 6777691434 is about 82326.7358395801. The cubic root of 6777691434 is about 1892.4624206988.

The spelling of 6777691434 in words is "six billion, seven hundred seventy-seven million, six hundred ninety-one thousand, four hundred thirty-four".