6140077875891 has 12 divisors (see below), whose sum is σ = 9390707339832. Its totient is φ = 3852597882816.

The previous prime is 6140077875871. The next prime is 6140077875917. The reversal of 6140077875891 is 1985787700416.

6140077875891 is a `hidden beast` number, since 6 + 1 + 40 + 0 + 7 + 7 + 8 + 7 + 589 + 1 = 666.

It is not a de Polignac number, because 6140077875891 - 2⁵ = 6140077875859 is a prime.

It is a super-2 number, since 2×6140077875891² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6140077875871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20065613821 + ... + 20065614126.

It is an arithmetic number, because the mean of its divisors is an integer number (782558944986).

Almost surely, 2^{6140077875891} is an apocalyptic number.

6140077875891 is a deficient number, since it is larger than the sum of its proper divisors (3250629463941).

6140077875891 is a wasteful number, since it uses less digits than its factorization.

6140077875891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131227970 (or 40131227967 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 63.

The spelling of 6140077875891 in words is "six trillion, one hundred forty billion, seventy-seven million, eight hundred seventy-five thousand, eight hundred ninety-one".