108897776890 has 64 divisors (see below), whose sum is σ = 228721305600. Its totient is φ = 37314950400.

The previous prime is 108897776881. The next prime is 108897776891. The reversal of 108897776890 is 98677798801.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is not an unprimeable number, because it can be changed into a prime (108897776891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6683794 + ... + 6700066.

It is an arithmetic number, because the mean of its divisors is an integer number (3573770400).

Almost surely, 2^108897776890 is an apocalyptic number.

108897776890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108897776890 is an abundant number, since it is smaller than the sum of its proper divisors (119823528710).

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

108897776890 is a wasteful number, since it uses less digits than its factorization.

108897776890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18252 (or 18238 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 70.

The spelling of 108897776890 in words is "one hundred eight billion, eight hundred ninety-seven million, seven hundred seventy-six thousand, eight hundred ninety".