80306960 has 40 divisors (see below), whose sum is σ = 187862976. Its totient is φ = 31925120.

The previous prime is 80306951. The next prime is 80306981. The reversal of 80306960 is 6960308.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10355 + ... + 16365.

Almost surely, 2^80306960 is an apocalyptic number.

80306960 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 80306960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93931488).

80306960 is an abundant number, since it is smaller than the sum of its proper divisors (107556016).

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

80306960 is a wasteful number, since it uses less digits than its factorization.

80306960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191 (or 6185 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 80306960 is about 8961.4150668296. The cubic root of 80306960 is about 431.4373390363.

The spelling of 80306960 in words is "eighty million, three hundred six thousand, nine hundred sixty".