28860006320 has 40 divisors (see below), whose sum is σ = 67112735760. Its totient is φ = 11541728000.

The previous prime is 28860006317. The next prime is 28860006349. The reversal of 28860006320 is 2360006882.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×28860006320³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407291 + ... + 472869.

It is an arithmetic number, because the mean of its divisors is an integer number (1677818394).

Almost surely, 2^28860006320 is an apocalyptic number.

28860006320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860006320 is an abundant number, since it is smaller than the sum of its proper divisors (38252729440).

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

28860006320 is a wasteful number, since it uses less digits than its factorization.

28860006320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71093 (or 71087 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 28860006320 in words is "twenty-eight billion, eight hundred sixty million, six thousand, three hundred twenty".