6777131106087 has 16 divisors (see below), whose sum is σ = 10040777602560. Its totient is φ = 4517824887000.

The previous prime is 6777131106077. The next prime is 6777131106089. The reversal of 6777131106087 is 7806011317776.

6777131106087 is a `hidden beast` number, since 6 + 7 + 7 + 7 + 13 + 1 + 10 + 608 + 7 = 666.

It is not a de Polignac number, because 6777131106087 - 2¹² = 6777131101991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6777131106089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6818289 + ... + 7748762.

It is an arithmetic number, because the mean of its divisors is an integer number (627548600160).

Almost surely, 2^{6777131106087} is an apocalyptic number.

6777131106087 is a deficient number, since it is larger than the sum of its proper divisors (3263646496473).

6777131106087 is a wasteful number, since it uses less digits than its factorization.

6777131106087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14584291 (or 14584285 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 54.

The spelling of 6777131106087 in words is "six trillion, seven hundred seventy-seven billion, one hundred thirty-one million, one hundred six thousand, eighty-seven".