102688512798 has 8 divisors (see below), whose sum is σ = 205377025608. Its totient is φ = 34229504264.

The previous prime is 102688512791. The next prime is 102688512803. The reversal of 102688512798 is 897215886201.

It is a sphenic number, since it is the product of 3 distinct primes.

102688512798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102688512791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8557376061 + ... + 8557376072.

It is an arithmetic number, because the mean of its divisors is an integer number (25672128201).

Almost surely, 2^102688512798 is an apocalyptic number.

102688512798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102688512798 is a wasteful number, since it uses less digits than its factorization.

102688512798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17114752138.

The product of its (nonzero) digits is 3870720, while the sum is 57.

The spelling of 102688512798 in words is "one hundred two billion, six hundred eighty-eight million, five hundred twelve thousand, seven hundred ninety-eight".