28578451503192 has 128 divisors (see below), whose sum is σ = 74819183362560. Its totient is φ = 9079383526400.

The previous prime is 28578451503157. The next prime is 28578451503211. The reversal of 28578451503192 is 29130515487582.

It is a happy number.

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, 1414694692 + ... + 1414714892.

It is an arithmetic number, because the mean of its divisors is an integer number (584524870020).

Almost surely, 2^{28578451503192} 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 28578451503192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37409591681280).

28578451503192 is an abundant number, since it is smaller than the sum of its proper divisors (46240731859368).

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

28578451503192 is a wasteful number, since it uses less digits than its factorization.

28578451503192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273 (or 29269 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 60.

The spelling of 28578451503192 in words is "twenty-eight trillion, five hundred seventy-eight billion, four hundred fifty-one million, five hundred three thousand, one hundred ninety-two".