28977445842 has 8 divisors (see below), whose sum is σ = 57954891696. Its totient is φ = 9659148612.

The previous prime is 28977445789. The next prime is 28977445853. The reversal of 28977445842 is 24854477982.

It is a sphenic number, since it is the product of 3 distinct primes.

28977445842 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414787148 + ... + 2414787159.

It is an arithmetic number, because the mean of its divisors is an integer number (7244361462).

Almost surely, 2^28977445842 is an apocalyptic number.

28977445842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28977445842 is a wasteful number, since it uses less digits than its factorization.

28977445842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829574312.

The product of its digits is 36126720, while the sum is 60.

The spelling of 28977445842 in words is "twenty-eight billion, nine hundred seventy-seven million, four hundred forty-five thousand, eight hundred forty-two".