102454487688 has 96 divisors (see below), whose sum is σ = 298602279360. Its totient is φ = 29209057920.

The previous prime is 102454487651. The next prime is 102454487717. The reversal of 102454487688 is 886784454201.

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 23 ways as a sum of consecutive naturals, for example, 447645 + ... + 636627.

It is an arithmetic number, because the mean of its divisors is an integer number (3110440410).

Almost surely, 2^102454487688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102454487688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149301139680).

102454487688 is an abundant number, since it is smaller than the sum of its proper divisors (196147791672).

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

102454487688 is a wasteful number, since it uses less digits than its factorization.

102454487688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189467 (or 189456 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 57.

The spelling of 102454487688 in words is "one hundred two billion, four hundred fifty-four million, four hundred eighty-seven thousand, six hundred eighty-eight".