28875863016 has 1152 divisors, whose sum is σ = 117118310400. Its totient is φ = 6466521600.

The previous prime is 28875862993. The next prime is 28875863041. The reversal of 28875863016 is 61036857882.

28875863016 is a `hidden beast` number, since 28 + 8 + 7 + 586 + 30 + 1 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 287 ways as a sum of consecutive naturals, for example, 406702261 + ... + 406702331.

It is an arithmetic number, because the mean of its divisors is an integer number (101665200).

Almost surely, 2^28875863016 is an apocalyptic number.

28875863016 is a gapful number since it is divisible by the number (26) 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 28875863016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58559155200).

28875863016 is an abundant number, since it is smaller than the sum of its proper divisors (88242447384).

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

28875863016 is a wasteful number, since it uses less digits than its factorization.

28875863016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 28875863016 in words is "twenty-eight billion, eight hundred seventy-five million, eight hundred sixty-three thousand, sixteen".