28792094887680 has 288 divisors, whose sum is σ = 93019367622720. Its totient is φ = 7589336186880.

The previous prime is 28792094887631. The next prime is 28792094887681. The reversal of 28792094887680 is 8678849029782.

It is a junction number, because it is equal to n+sod(n) for n = 28792094887596 and 28792094887605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28792094887681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176132064 + ... + 176295456.

Almost surely, 2^{28792094887680} is an apocalyptic number.

28792094887680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28792094887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46509683811360).

28792094887680 is an abundant number, since it is smaller than the sum of its proper divisors (64227272735040).

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

28792094887680 is a wasteful number, since it uses less digits than its factorization.

28792094887680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163947 (or 163933 counting only the distinct ones).

The product of its (nonzero) digits is 1560674304, while the sum is 78.

The spelling of 28792094887680 in words is "twenty-eight trillion, seven hundred ninety-two billion, ninety-four million, eight hundred eighty-seven thousand, six hundred eighty".