28854317169080 has 64 divisors (see below), whose sum is σ = 69918040382400. Its totient is φ = 10653625866240.

The previous prime is 28854317169061. The next prime is 28854317169089. The reversal of 28854317169080 is 8096171345882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854317169089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19955360 + ... + 21352400.

It is an arithmetic number, because the mean of its divisors is an integer number (1092469380975).

It is a 1-persistent number, because it is pandigital, but 2⋅28854317169080 = 57708634338160 is not.

Almost surely, 2^{28854317169080} is an apocalyptic number.

28854317169080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28854317169080 is an abundant number, since it is smaller than the sum of its proper divisors (41063723213320).

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

28854317169080 is a wasteful number, since it uses less digits than its factorization.

28854317169080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436784 (or 1436780 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 28854317169080 in words is "twenty-eight trillion, eight hundred fifty-four billion, three hundred seventeen million, one hundred sixty-nine thousand, eighty".