28600187660 has 192 divisors, whose sum is σ = 72644511744. Its totient is φ = 9329971200.

The previous prime is 28600187659. The next prime is 28600187717. The reversal of 28600187660 is 6678100682.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43267730 + ... + 43268390.

It is an arithmetic number, because the mean of its divisors is an integer number (378356832).

Almost surely, 2^28600187660 is an apocalyptic number.

28600187660 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 28600187660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36322255872).

28600187660 is an abundant number, since it is smaller than the sum of its proper divisors (44044324084).

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

28600187660 is a wasteful number, since it uses less digits than its factorization.

28600187660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1222 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 28600187660 in words is "twenty-eight billion, six hundred million, one hundred eighty-seven thousand, six hundred sixty".