80859960 has 48 divisors (see below), whose sum is σ = 262796040. Its totient is φ = 21562560.

The previous prime is 80859949. The next prime is 80859967. The reversal of 80859960 is 6995808.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80859967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111946 + ... + 112665.

Almost surely, 2^80859960 is an apocalyptic number.

It is an amenable number.

80859960 is an abundant number, since it is smaller than the sum of its proper divisors (181936080).

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

80859960 is a wasteful number, since it uses less digits than its factorization.

80859960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224628 (or 224621 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 80859960 is about 8992.2166344011. The cubic root of 80859960 is about 432.4253783295.

The spelling of 80859960 in words is "eighty million, eight hundred fifty-nine thousand, nine hundred sixty".