80026891 has 8 divisors (see below), whose sum is σ = 92180480. Its totient is φ = 68053608.

The previous prime is 80026883. The next prime is 80026909. The reversal of 80026891 is 19862008.

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

It is not a de Polignac number, because 80026891 - 2³ = 80026883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80026801) 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, 44121 + ... + 45898.

It is an arithmetic number, because the mean of its divisors is an integer number (11522560).

Almost surely, 2^80026891 is an apocalyptic number.

80026891 is a deficient number, since it is larger than the sum of its proper divisors (12153589).

80026891 is a wasteful number, since it uses less digits than its factorization.

80026891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90153.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 80026891 is about 8945.7750362951. The cubic root of 80026891 is about 430.9352116840.

Adding to 80026891 its reverse (19862008), we get a palindrome (99888899).

The spelling of 80026891 in words is "eighty million, twenty-six thousand, eight hundred ninety-one".