80008078 has 4 divisors (see below), whose sum is σ = 120012120. Its totient is φ = 40004038.

The previous prime is 80008067. The next prime is 80008081. The reversal of 80008078 is 87080008.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20002018 + ... + 20002021.

It is an arithmetic number, because the mean of its divisors is an integer number (30003030).

Almost surely, 2^80008078 is an apocalyptic number.

80008078 is a deficient number, since it is larger than the sum of its proper divisors (40004042).

80008078 is a wasteful number, since it uses less digits than its factorization.

80008078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40004041.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 80008078 is about 8944.7234725284. The cubic root of 80008078 is about 430.9014404544.

The spelling of 80008078 in words is "eighty million, eight thousand, seventy-eight".