6777700138 has 8 divisors (see below), whose sum is σ = 11090782080. Its totient is φ = 3080772780.

The previous prime is 6777700129. The next prime is 6777700141. The reversal of 6777700138 is 8310077776.

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

It is a super-3 number, since 3×6777700138³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154038618 + ... + 154038661.

It is an arithmetic number, because the mean of its divisors is an integer number (1386347760).

Almost surely, 2^6777700138 is an apocalyptic number.

6777700138 is a deficient number, since it is larger than the sum of its proper divisors (4313081942).

6777700138 is a wasteful number, since it uses less digits than its factorization.

6777700138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308077292.

The product of its (nonzero) digits is 345744, while the sum is 46.

The square root of 6777700138 is about 82326.7887020987. The cubic root of 6777700138 is about 1892.4632308068.

The spelling of 6777700138 in words is "six billion, seven hundred seventy-seven million, seven hundred thousand, one hundred thirty-eight".