28727670120 has 32 divisors (see below), whose sum is σ = 86183010720. Its totient is φ = 7660712000.

The previous prime is 28727670113. The next prime is 28727670131. The reversal of 28727670120 is 2107672782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119698506 + ... + 119698745.

It is an arithmetic number, because the mean of its divisors is an integer number (2693219085).

Almost surely, 2^28727670120 is an apocalyptic number.

28727670120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28727670120 is an abundant number, since it is smaller than the sum of its proper divisors (57455340600).

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

28727670120 is a wasteful number, since it uses less digits than its factorization.

28727670120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239397265 (or 239397261 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 28727670120 in words is "twenty-eight billion, seven hundred twenty-seven million, six hundred seventy thousand, one hundred twenty".