6777657814 has 16 divisors (see below), whose sum is σ = 10233794880. Its totient is φ = 3366443520.

The previous prime is 6777657797. The next prime is 6777657829. The reversal of 6777657814 is 4187567776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265324 + ... + 289744.

It is an arithmetic number, because the mean of its divisors is an integer number (639612180).

Almost surely, 2^6777657814 is an apocalyptic number.

6777657814 is a deficient number, since it is larger than the sum of its proper divisors (3456137066).

6777657814 is a wasteful number, since it uses less digits than its factorization.

6777657814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25335.

The product of its digits is 13829760, while the sum is 58.

The square root of 6777657814 is about 82326.5316529246. The cubic root of 6777657814 is about 1892.4592915758.

The spelling of 6777657814 in words is "six billion, seven hundred seventy-seven million, six hundred fifty-seven thousand, eight hundred fourteen".