28379028960 has 72 divisors (see below), whose sum is σ = 96843441240. Its totient is φ = 7567740672.

The previous prime is 28379028893. The next prime is 28379028983. The reversal of 28379028960 is 6982097382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28379028897 and 28379028906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9852390 + ... + 9855269.

It is an arithmetic number, because the mean of its divisors is an integer number (1345047795).

Almost surely, 2^28379028960 is an apocalyptic number.

28379028960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28379028960 is an abundant number, since it is smaller than the sum of its proper divisors (68464412280).

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

28379028960 is a wasteful number, since it uses less digits than its factorization.

28379028960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19707680 (or 19707669 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 28379028960 in words is "twenty-eight billion, three hundred seventy-nine million, twenty-eight thousand, nine hundred sixty".