28870229080 has 64 divisors (see below), whose sum is σ = 80986625280. Its totient is φ = 8998512000.

The previous prime is 28870229077. The next prime is 28870229099. The reversal of 28870229080 is 8092207882.

It is a self number, because there is not a number n which added to its sum of digits gives 28870229080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4683646 + ... + 4689805.

It is an arithmetic number, because the mean of its divisors is an integer number (1265416020).

Almost surely, 2^28870229080 is an apocalyptic number.

28870229080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28870229080 is an abundant number, since it is smaller than the sum of its proper divisors (52116396200).

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

28870229080 is a wasteful number, since it uses less digits than its factorization.

28870229080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373480 (or 9373476 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 28870229080 in words is "twenty-eight billion, eight hundred seventy million, two hundred twenty-nine thousand, eighty".