108690890869 has 16 divisors (see below), whose sum is σ = 118893393216. Its totient is φ = 98542224000.

The previous prime is 108690890809. The next prime is 108690890873. The reversal of 108690890869 is 968098096801.

It is not a de Polignac number, because 108690890869 - 2¹¹ = 108690888821 is a prime.

It is a super-2 number, since 2×108690890869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108690890869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108690890809) 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, 10972819 + ... + 10982719.

It is an arithmetic number, because the mean of its divisors is an integer number (7430837076).

Almost surely, 2^108690890869 is an apocalyptic number.

It is an amenable number.

108690890869 is a deficient number, since it is larger than the sum of its proper divisors (10202502347).

108690890869 is a wasteful number, since it uses less digits than its factorization.

108690890869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12516.

The product of its (nonzero) digits is 13436928, while the sum is 64.

The spelling of 108690890869 in words is "one hundred eight billion, six hundred ninety million, eight hundred ninety thousand, eight hundred sixty-nine".