102896891944 has 64 divisors (see below), whose sum is σ = 240595660800. Its totient is φ = 40080120000.

The previous prime is 102896891939. The next prime is 102896891957. The reversal of 102896891944 is 449198698201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2909037 + ... + 2944195.

It is an arithmetic number, because the mean of its divisors is an integer number (3759307200).

Almost surely, 2^102896891944 is an apocalyptic number.

102896891944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102896891944 is an abundant number, since it is smaller than the sum of its proper divisors (137698768856).

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

102896891944 is a wasteful number, since it uses less digits than its factorization.

102896891944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39934 (or 39930 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 102896891944 in words is "one hundred two billion, eight hundred ninety-six million, eight hundred ninety-one thousand, nine hundred forty-four".