860755680 has 192 divisors, whose sum is σ = 3143992320. Its totient is φ = 219529728.

The previous prime is 860755667. The next prime is 860755729. The reversal of 860755680 is 86557068.

860755680 is a `hidden beast` number, since 86 + 0 + 7 + 5 + 568 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95029 + ... + 103691.

It is an arithmetic number, because the mean of its divisors is an integer number (16374960).

Almost surely, 2^860755680 is an apocalyptic number.

860755680 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 860755680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571996160).

860755680 is an abundant number, since it is smaller than the sum of its proper divisors (2283236640).

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

860755680 is a wasteful number, since it uses less digits than its factorization.

860755680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710 (or 8696 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 860755680 is about 29338.6380051972. The cubic root of 860755680 is about 951.2469977106.

The spelling of 860755680 in words is "eight hundred sixty million, seven hundred fifty-five thousand, six hundred eighty".