6111668977 has 8 divisors (see below), whose sum is σ = 6378863400. Its totient is φ = 5850099840.

The previous prime is 6111668947. The next prime is 6111668993. The reversal of 6111668977 is 7798661116.

It can be written as a sum of positive squares in 4 ways, for example, as 103713856 + 6007955121 = 10184^2 + 77511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6111668977 - 2²³ = 6103280369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111668947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404102 + ... + 1408447.

It is an arithmetic number, because the mean of its divisors is an integer number (797357925).

Almost surely, 2^6111668977 is an apocalyptic number.

It is an amenable number.

6111668977 is a deficient number, since it is larger than the sum of its proper divisors (267194423).

6111668977 is a wasteful number, since it uses less digits than its factorization.

6111668977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812643.

The product of its digits is 762048, while the sum is 52.

The square root of 6111668977 is about 78177.1640378442. The cubic root of 6111668977 is about 1828.3244815996.

The spelling of 6111668977 in words is "six billion, one hundred eleven million, six hundred sixty-eight thousand, nine hundred seventy-seven".