6890538885005 has 16 divisors (see below), whose sum is σ = 8755851639744. Its totient is φ = 5187688085760.

The previous prime is 6890538885001. The next prime is 6890538885017. The reversal of 6890538885005 is 5005888350986.

It is not a de Polignac number, because 6890538885005 - 2² = 6890538885001 is a prime.

It is a super-2 number, since 2×6890538885005² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890538885001) 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, 2847587 + ... + 4678656.

It is an arithmetic number, because the mean of its divisors is an integer number (547240727484).

Almost surely, 2^{6890538885005} is an apocalyptic number.

It is an amenable number.

6890538885005 is a deficient number, since it is larger than the sum of its proper divisors (1865312754739).

6890538885005 is a wasteful number, since it uses less digits than its factorization.

6890538885005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537036.

The product of its (nonzero) digits is 82944000, while the sum is 65.

The spelling of 6890538885005 in words is "six trillion, eight hundred ninety billion, five hundred thirty-eight million, eight hundred eighty-five thousand, five".