80378071 has 8 divisors (see below), whose sum is σ = 83485184. Its totient is φ = 77303160.

The previous prime is 80378069. The next prime is 80378093. The reversal of 80378071 is 17087308.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80378071 - 2¹ = 80378069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80378021) 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, 2901 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (10435648).

Almost surely, 2^80378071 is an apocalyptic number.

80378071 is a deficient number, since it is larger than the sum of its proper divisors (3107113).

80378071 is a wasteful number, since it uses less digits than its factorization.

80378071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 80378071 is about 8965.3818100514. The cubic root of 80378071 is about 431.5646459325.

The spelling of 80378071 in words is "eighty million, three hundred seventy-eight thousand, seventy-one".