860847680 has 448 divisors, whose sum is σ = 2809036800. Its totient is φ = 248371200.

The previous prime is 860847671. The next prime is 860847707. The reversal of 860847680 is 86748068.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×860847680² = 1482117456322764800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27769265 + ... + 27769295.

Almost surely, 2^860847680 is an apocalyptic number.

860847680 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 860847680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404518400).

860847680 is an abundant number, since it is smaller than the sum of its proper divisors (1948189120).

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

860847680 is a wasteful number, since it uses less digits than its factorization.

860847680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 860847680 is about 29340.2058615818. The cubic root of 860847680 is about 951.2808871592.

The spelling of 860847680 in words is "eight hundred sixty million, eight hundred forty-seven thousand, six hundred eighty".