28925250084415 has 32 divisors (see below), whose sum is σ = 36586146640320. Its totient is φ = 21928740148224.

The previous prime is 28925250084389. The next prime is 28925250084421. The reversal of 28925250084415 is 51448005252982.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28925250084415 - 2⁷ = 28925250084287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9423325 + ... + 12109894.

It is an arithmetic number, because the mean of its divisors is an integer number (1143317082510).

Almost surely, 2^{28925250084415} is an apocalyptic number.

28925250084415 is a deficient number, since it is larger than the sum of its proper divisors (7660896555905).

28925250084415 is a wasteful number, since it uses less digits than its factorization.

28925250084415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21533451.

The product of its (nonzero) digits is 9216000, while the sum is 55.

The spelling of 28925250084415 in words is "twenty-eight trillion, nine hundred twenty-five billion, two hundred fifty million, eighty-four thousand, four hundred fifteen".