28839773295420 has 48 divisors (see below), whose sum is σ = 80919948533760. Its totient is φ = 7674550659136.

The previous prime is 28839773295391. The next prime is 28839773295461. The reversal of 28839773295420 is 2459237793882.

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, 501707052 + ... + 501764531.

It is an arithmetic number, because the mean of its divisors is an integer number (1685832261120).

Almost surely, 2^{28839773295420} is an apocalyptic number.

28839773295420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28839773295420 is an abundant number, since it is smaller than the sum of its proper divisors (52080175238340).

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

28839773295420 is a wasteful number, since it uses less digits than its factorization.

28839773295420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003472074 (or 1003472072 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 69.

The spelling of 28839773295420 in words is "twenty-eight trillion, eight hundred thirty-nine billion, seven hundred seventy-three million, two hundred ninety-five thousand, four hundred twenty".