28285425102 has 16 divisors (see below), whose sum is σ = 61713654912. Its totient is φ = 8571340920.

The previous prime is 28285425089. The next prime is 28285425167. The reversal of 28285425102 is 20152458282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214283458 + ... + 214283589.

It is an arithmetic number, because the mean of its divisors is an integer number (3857103432).

Almost surely, 2^28285425102 is an apocalyptic number.

28285425102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28285425102 is an abundant number, since it is smaller than the sum of its proper divisors (33428229810).

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

28285425102 is a wasteful number, since it uses less digits than its factorization.

28285425102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428567063.

The product of its (nonzero) digits is 102400, while the sum is 39.

The spelling of 28285425102 in words is "twenty-eight billion, two hundred eighty-five million, four hundred twenty-five thousand, one hundred two".