28108674000 has 640 divisors, whose sum is σ = 111421440000. Its totient is φ = 6716736000.

The previous prime is 28108673969. The next prime is 28108674019. The reversal of 28108674000 is 47680182.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 46925701 + ... + 46926299.

It is an arithmetic number, because the mean of its divisors is an integer number (174096000).

Almost surely, 2^28108674000 is an apocalyptic number.

28108674000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28108674000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55710720000).

28108674000 is an abundant number, since it is smaller than the sum of its proper divisors (83312766000).

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

28108674000 is a wasteful number, since it uses less digits than its factorization.

28108674000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 28108674000 in words is "twenty-eight billion, one hundred eight million, six hundred seventy-four thousand".