28799316420 has 48 divisors (see below), whose sum is σ = 92157813888. Its totient is φ = 6582700800.

The previous prime is 28799316419. The next prime is 28799316487. The reversal of 28799316420 is 2461399782.

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, 34284481 + ... + 34285320.

It is an arithmetic number, because the mean of its divisors is an integer number (1919954456).

Almost surely, 2^28799316420 is an apocalyptic number.

28799316420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28799316420 is an abundant number, since it is smaller than the sum of its proper divisors (63358497468).

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

28799316420 is a wasteful number, since it uses less digits than its factorization.

28799316420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68569820 (or 68569818 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 28799316420 in words is "twenty-eight billion, seven hundred ninety-nine million, three hundred sixteen thousand, four hundred twenty".