28086503002320 has 160 divisors (see below), whose sum is σ = 99769020088320. Its totient is φ = 6402833256960.

The previous prime is 28086503002273. The next prime is 28086503002321. The reversal of 28086503002320 is 2320030568082.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28086503002321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21418896 + ... + 22692335.

It is an arithmetic number, because the mean of its divisors is an integer number (623556375552).

Almost surely, 2^{28086503002320} is an apocalyptic number.

28086503002320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28086503002320 is an abundant number, since it is smaller than the sum of its proper divisors (71682517086000).

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

28086503002320 is a wasteful number, since it uses less digits than its factorization.

28086503002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44111633 (or 44111627 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 28086503002320 in words is "twenty-eight trillion, eighty-six billion, five hundred three million, two thousand, three hundred twenty".