28887600940 has 48 divisors (see below), whose sum is σ = 66394589184. Its totient is φ = 10470340800.

The previous prime is 28887600899. The next prime is 28887600961. The reversal of 28887600940 is 4900678882.

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, 146316 + ... + 281395.

It is an arithmetic number, because the mean of its divisors is an integer number (1383220608).

Almost surely, 2^28887600940 is an apocalyptic number.

28887600940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28887600940 is an abundant number, since it is smaller than the sum of its proper divisors (37506988244).

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

28887600940 is a wasteful number, since it uses less digits than its factorization.

28887600940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428038 (or 428036 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 28887600940 in words is "twenty-eight billion, eight hundred eighty-seven million, six hundred thousand, nine hundred forty".