80054378 has 4 divisors (see below), whose sum is σ = 120081570. Its totient is φ = 40027188.

The previous prime is 80054363. The next prime is 80054389. The reversal of 80054378 is 87345008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75986089 + 4068289 = 8717^2 + 2017^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 20013593 + ... + 20013596.

Almost surely, 2^80054378 is an apocalyptic number.

80054378 is a deficient number, since it is larger than the sum of its proper divisors (40027192).

80054378 is a wasteful number, since it uses less digits than its factorization.

80054378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40027191.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 80054378 is about 8947.3112162258. The cubic root of 80054378 is about 430.9845441026.

The spelling of 80054378 in words is "eighty million, fifty-four thousand, three hundred seventy-eight".