6777139201 has 16 divisors (see below), whose sum is σ = 7824995200. Its totient is φ = 5749325568.

The previous prime is 6777139189. The next prime is 6777139211. The reversal of 6777139201 is 1029317776.

It is not a de Polignac number, because 6777139201 - 2¹⁵ = 6777106433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777139211) 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, 765466 + ... + 774268.

It is an arithmetic number, because the mean of its divisors is an integer number (489062200).

Almost surely, 2^6777139201 is an apocalyptic number.

It is an amenable number.

6777139201 is a deficient number, since it is larger than the sum of its proper divisors (1047855999).

6777139201 is a wasteful number, since it uses less digits than its factorization.

6777139201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 111132, while the sum is 43.

The square root of 6777139201 is about 82323.3818608055. The cubic root of 6777139201 is about 1892.4110212612.

The spelling of 6777139201 in words is "six billion, seven hundred seventy-seven million, one hundred thirty-nine thousand, two hundred one".