80426291 has 8 divisors (see below), whose sum is σ = 87922368. Its totient is φ = 72961000.

The previous prime is 80426267. The next prime is 80426293. The reversal of 80426291 is 19262408.

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 80426291 - 2¹⁴ = 80409907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80426293) 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, 2045 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (10990296).

Almost surely, 2^80426291 is an apocalyptic number.

80426291 is a deficient number, since it is larger than the sum of its proper divisors (7496077).

80426291 is a wasteful number, since it uses less digits than its factorization.

80426291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15393.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 80426291 is about 8968.0706397753. The cubic root of 80426291 is about 431.6509293634.

Adding to 80426291 its reverse (19262408), we get a palindrome (99688699).

The spelling of 80426291 in words is "eighty million, four hundred twenty-six thousand, two hundred ninety-one".