860147800 has 48 divisors (see below), whose sum is σ = 2006300160. Its totient is φ = 342948480.

The previous prime is 860147797. The next prime is 860147833. The reversal of 860147800 is 8741068.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56617 + ... + 70183.

It is an arithmetic number, because the mean of its divisors is an integer number (41797920).

Almost surely, 2^860147800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 860147800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003150080).

860147800 is an abundant number, since it is smaller than the sum of its proper divisors (1146152360).

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

860147800 is a wasteful number, since it uses less digits than its factorization.

860147800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900 (or 13891 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 860147800 is about 29328.2764580532. The cubic root of 860147800 is about 951.0230161505.

Adding to 860147800 its reverse (8741068), we get a palindrome (868888868).

The spelling of 860147800 in words is "eight hundred sixty million, one hundred forty-seven thousand, eight hundred".