80878426 has 8 divisors (see below), whose sum is σ = 122273280. Its totient is φ = 40120668.

The previous prime is 80878417. The next prime is 80878451. The reversal of 80878426 is 62487808.

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

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 in 3 ways as a sum of consecutive naturals, for example, 158956 + ... + 159463.

It is an arithmetic number, because the mean of its divisors is an integer number (15284160).

Almost surely, 2^80878426 is an apocalyptic number.

80878426 is a deficient number, since it is larger than the sum of its proper divisors (41394854).

80878426 is a wasteful number, since it uses less digits than its factorization.

80878426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318548.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 80878426 is about 8993.2433526509. The cubic root of 80878426 is about 432.4582935047.

The spelling of 80878426 in words is "eighty million, eight hundred seventy-eight thousand, four hundred twenty-six".