102108878620 has 48 divisors (see below), whose sum is σ = 248512900608. Its totient is φ = 34515673920.

The previous prime is 102108878567. The next prime is 102108878621. The reversal of 102108878620 is 26878801201.

102108878620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102108878621) 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, 5126322 + ... + 5146201.

It is an arithmetic number, because the mean of its divisors is an integer number (5177352096).

Almost surely, 2^102108878620 is an apocalyptic number.

102108878620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102108878620 is an abundant number, since it is smaller than the sum of its proper divisors (146404021988).

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

102108878620 is a wasteful number, since it uses less digits than its factorization.

102108878620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10272610 (or 10272608 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 102108878620 in words is "one hundred two billion, one hundred eight million, eight hundred seventy-eight thousand, six hundred twenty".