28937336832 has 240 divisors, whose sum is σ = 90992701800. Its totient is φ = 9137111040.

The previous prime is 28937336819. The next prime is 28937336843. The reversal of 28937336832 is 23863373982.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3147282 + ... + 3156462.

Almost surely, 2^28937336832 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 28937336832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45496350900).

28937336832 is an abundant number, since it is smaller than the sum of its proper divisors (62055364968).

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

28937336832 is an equidigital number, since it uses as much as digits as its factorization.

28937336832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234 (or 9205 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 28937336832 in words is "twenty-eight billion, nine hundred thirty-seven million, three hundred thirty-six thousand, eight hundred thirty-two".