80371378 has 4 divisors (see below), whose sum is σ = 120557070. Its totient is φ = 40185688.

The previous prime is 80371337. The next prime is 80371397. The reversal of 80371378 is 87317308.

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., 67026969 + 13344409 = 8187^2 + 3653^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092843 + ... + 20092846.

Almost surely, 2^80371378 is an apocalyptic number.

80371378 is a deficient number, since it is larger than the sum of its proper divisors (40185692).

80371378 is a wasteful number, since it uses less digits than its factorization.

80371378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40185691.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 80371378 is about 8965.0085331805. The cubic root of 80371378 is about 431.5526669507.

The spelling of 80371378 in words is "eighty million, three hundred seventy-one thousand, three hundred seventy-eight".