28671254100 has 216 divisors, whose sum is σ = 93579927168. Its totient is φ = 7614259200.

The previous prime is 28671254047. The next prime is 28671254111. The reversal of 28671254100 is 145217682.

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 71 ways as a sum of consecutive naturals, for example, 6242805 + ... + 6247395.

Almost surely, 2^28671254100 is an apocalyptic number.

28671254100 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 28671254100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46789963584).

28671254100 is an abundant number, since it is smaller than the sum of its proper divisors (64908673068).

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

28671254100 is a wasteful number, since it uses less digits than its factorization.

28671254100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 28671254100 in words is "twenty-eight billion, six hundred seventy-one million, two hundred fifty-four thousand, one hundred".