860553760 has 96 divisors (see below), whose sum is σ = 2238026112. Its totient is φ = 310087680.

The previous prime is 860553703. The next prime is 860553761. The reversal of 860553760 is 67355068.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (860553761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196717 + ... + 201043.

It is an arithmetic number, because the mean of its divisors is an integer number (23312772).

Almost surely, 2^860553760 is an apocalyptic number.

860553760 is a gapful number since it is divisible by the number (80) 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 860553760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119013056).

860553760 is an abundant number, since it is smaller than the sum of its proper divisors (1377472352).

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

860553760 is a wasteful number, since it uses less digits than its factorization.

860553760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466 (or 4458 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 860553760 is about 29335.1966074884. The cubic root of 860553760 is about 951.1726092713.

The spelling of 860553760 in words is "eight hundred sixty million, five hundred fifty-three thousand, seven hundred sixty".