6138774577 has 4 divisors (see below), whose sum is σ = 6610988020. Its totient is φ = 5666561136.

The previous prime is 6138774563. The next prime is 6138774601. The reversal of 6138774577 is 7754778316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 324864576 + 5813910001 = 18024^2 + 76249^2 .

It is a cyclic number.

It is not a de Polignac number, because 6138774577 - 2²⁷ = 6004556849 is a prime.

It is a super-3 number, since 3×6138774577³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (6138774517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236106702 + ... + 236106727.

It is an arithmetic number, because the mean of its divisors is an integer number (1652747005).

Almost surely, 2^6138774577 is an apocalyptic number.

It is an amenable number.

6138774577 is a deficient number, since it is larger than the sum of its proper divisors (472213443).

6138774577 is a wasteful number, since it uses less digits than its factorization.

6138774577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472213442.

The product of its digits is 6914880, while the sum is 55.

The square root of 6138774577 is about 78350.3323349684. The cubic root of 6138774577 is about 1831.0234033019.

The spelling of 6138774577 in words is "six billion, one hundred thirty-eight million, seven hundred seventy-four thousand, five hundred seventy-seven".