28860003173000 has 64 divisors (see below), whose sum is σ = 67534329657600. Its totient is φ = 11543672683200.

The previous prime is 28860003172991. The next prime is 28860003173011. The reversal of 28860003173000 is 37130006882.

It is a happy number.

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, 36386657 + ... + 37171343.

It is an arithmetic number, because the mean of its divisors is an integer number (1055223900900).

Almost surely, 2^{28860003173000} is an apocalyptic number.

28860003173000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28860003173000 is an abundant number, since it is smaller than the sum of its proper divisors (38674326484600).

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

28860003173000 is a wasteful number, since it uses less digits than its factorization.

28860003173000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821487 (or 821473 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

Adding to 28860003173000 its reverse (37130006882), we get a palindrome (28897133179882).

The spelling of 28860003173000 in words is "twenty-eight trillion, eight hundred sixty billion, three million, one hundred seventy-three thousand".