28860001730 has 32 divisors (see below), whose sum is σ = 60632326656. Its totient is φ = 9684327744.

The previous prime is 28860001699. The next prime is 28860001741. The reversal of 28860001730 is 3710006882.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4382729 + ... + 4389308.

It is an arithmetic number, because the mean of its divisors is an integer number (1894760208).

Almost surely, 2^28860001730 is an apocalyptic number.

28860001730 is an abundant number, since it is smaller than the sum of its proper divisors (31772324926).

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

28860001730 is a wasteful number, since it uses less digits than its factorization.

28860001730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772098.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 28860001730 in words is "twenty-eight billion, eight hundred sixty million, one thousand, seven hundred thirty".