8501680 has 40 divisors (see below), whose sum is σ = 21565584. Its totient is φ = 3091200.

The previous prime is 8501671. The next prime is 8501681. The reversal of 8501680 is 861058.

It is a happy number.

8501680 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (8501681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3951 + ... + 5710.

Almost surely, 2^8501680 is an apocalyptic number.

8501680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8501680 is an abundant number, since it is smaller than the sum of its proper divisors (13063904).

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

8501680 is a wasteful number, since it uses less digits than its factorization.

8501680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9685 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 8501680 is about 2915.7640508107. The cubic root of 8501680 is about 204.0961996622.

The spelling of 8501680 in words is "eight million, five hundred one thousand, six hundred eighty".