6881888396761 has 8 divisors (see below), whose sum is σ = 7865104019904. Its totient is φ = 5898694950960.

The previous prime is 6881888396689. The next prime is 6881888396827. The reversal of 6881888396761 is 1676938881886.

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

It is not a de Polignac number, because 6881888396761 - 2²⁷ = 6881754179033 is a prime.

It is a super-2 number, since 2×6881888396761² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6881888396561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4873975 + ... + 6125308.

It is an arithmetic number, because the mean of its divisors is an integer number (983138002488).

Almost surely, 2^{6881888396761} is an apocalyptic number.

It is an amenable number.

6881888396761 is a deficient number, since it is larger than the sum of its proper divisors (983215623143).

6881888396761 is a wasteful number, since it uses less digits than its factorization.

6881888396761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088671.

The product of its digits is 1337720832, while the sum is 79.

The spelling of 6881888396761 in words is "six trillion, eight hundred eighty-one billion, eight hundred eighty-eight million, three hundred ninety-six thousand, seven hundred sixty-one".