28102850415 has 24 divisors (see below), whose sum is σ = 49067177328. Its totient is φ = 14878780800.

The previous prime is 28102850407. The next prime is 28102850417. The reversal of 28102850415 is 51405820182.

It is not a de Polignac number, because 28102850415 - 2³ = 28102850407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28102850415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28102850417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2273061 + ... + 2285390.

It is an arithmetic number, because the mean of its divisors is an integer number (2044465722).

Almost surely, 2^28102850415 is an apocalyptic number.

28102850415 is a deficient number, since it is larger than the sum of its proper divisors (20964326913).

28102850415 is a wasteful number, since it uses less digits than its factorization.

28102850415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558599 (or 4558596 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The spelling of 28102850415 in words is "twenty-eight billion, one hundred two million, eight hundred fifty thousand, four hundred fifteen".