80679960 has 96 divisors (see below), whose sum is σ = 277655040. Its totient is φ = 20247552.

The previous prime is 80679959. The next prime is 80679967. The reversal of 80679960 is 6997608.

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 (80679967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472 + ... + 12711.

It is an arithmetic number, because the mean of its divisors is an integer number (2892240).

Almost surely, 2^80679960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80679960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138827520).

80679960 is an abundant number, since it is smaller than the sum of its proper divisors (196975080).

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

80679960 is a wasteful number, since it uses less digits than its factorization.

80679960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 80679960 is about 8982.2024025291. The cubic root of 80679960 is about 432.1042700982.

The spelling of 80679960 in words is "eighty million, six hundred seventy-nine thousand, nine hundred sixty".