28707313886120 has 64 divisors (see below), whose sum is σ = 66889891696320. Its totient is φ = 11080749625344.

The previous prime is 28707313886099. The next prime is 28707313886149. The reversal of 28707313886120 is 2168831370782.

It is a super-3 number, since 3×28707313886120³ (a number of 41 digits) contains 333 as substring.

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, 100401209 + ... + 100686728.

It is an arithmetic number, because the mean of its divisors is an integer number (1045154557755).

Almost surely, 2^{28707313886120} is an apocalyptic number.

28707313886120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28707313886120 is an abundant number, since it is smaller than the sum of its proper divisors (38182577810200).

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

28707313886120 is a wasteful number, since it uses less digits than its factorization.

28707313886120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201088074 (or 201088070 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 28707313886120 in words is "twenty-eight trillion, seven hundred seven billion, three hundred thirteen million, eight hundred eighty-six thousand, one hundred twenty".