3077779666 has 48 divisors (see below), whose sum is σ = 5110377480. Its totient is φ = 1389273600.

The previous prime is 3077779643. The next prime is 3077779673. The reversal of 3077779666 is 6669777703.

It can be written as a sum of positive squares in 12 ways, for example, as 175695025 + 2902084641 = 13255^2 + 53871^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3077779666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3037776 + ... + 3038788.

Almost surely, 2^3077779666 is an apocalyptic number.

3077779666 is a deficient number, since it is larger than the sum of its proper divisors (2032597814).

3077779666 is a wasteful number, since it uses less digits than its factorization.

3077779666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 14002632, while the sum is 58.

The square root of 3077779666 is about 55477.7402748165. The cubic root of 3077779666 is about 1454.6075654640.

The spelling of 3077779666 in words is "three billion, seventy-seven million, seven hundred seventy-nine thousand, six hundred sixty-six".