28973802924 has 384 divisors, whose sum is σ = 91039334400. Its totient is φ = 7869312000.

The previous prime is 28973802917. The next prime is 28973802941. The reversal of 28973802924 is 42920837982.

It is a happy number.

28973802924 is a `hidden beast` number, since 289 + 73 + 8 + 0 + 292 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32886964 + ... + 32887844.

It is an arithmetic number, because the mean of its divisors is an integer number (237081600).

Almost surely, 2^28973802924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28973802924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45519667200).

28973802924 is an abundant number, since it is smaller than the sum of its proper divisors (62065531476).

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

28973802924 is a wasteful number, since it uses less digits than its factorization.

28973802924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 28973802924 in words is "twenty-eight billion, nine hundred seventy-three million, eight hundred two thousand, nine hundred twenty-four".