80379936 has 144 divisors (see below), whose sum is σ = 281421504. Its totient is φ = 21192192.

The previous prime is 80379913. The next prime is 80379977. The reversal of 80379936 is 63997308.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×80379936² = 12921868222728192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80379891 and 80379900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24675 + ... + 27741.

It is an arithmetic number, because the mean of its divisors is an integer number (1954316).

Almost surely, 2^80379936 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 80379936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140710752).

80379936 is an abundant number, since it is smaller than the sum of its proper divisors (201041568).

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

80379936 is a wasteful number, since it uses less digits than its factorization.

80379936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103 (or 3092 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 80379936 is about 8965.4858206346. The cubic root of 80379936 is about 431.5679837494.

The spelling of 80379936 in words is "eighty million, three hundred seventy-nine thousand, nine hundred thirty-six".