108891936852 has 12 divisors (see below), whose sum is σ = 254081186016. Its totient is φ = 36297312280.

The previous prime is 108891936847. The next prime is 108891936931. The reversal of 108891936852 is 258639198801.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×108891936852² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4537164024 + ... + 4537164047.

It is an arithmetic number, because the mean of its divisors is an integer number (21173432168).

Almost surely, 2^108891936852 is an apocalyptic number.

108891936852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108891936852 is an abundant number, since it is smaller than the sum of its proper divisors (145189249164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108891936852 is a wasteful number, since it uses less digits than its factorization.

108891936852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074328078 (or 9074328076 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 108891936852 in words is "one hundred eight billion, eight hundred ninety-one million, nine hundred thirty-six thousand, eight hundred fifty-two".