80026091 has 2 divisors, whose sum is σ = 80026092. Its totient is φ = 80026090.

The previous prime is 80026087. The next prime is 80026117. The reversal of 80026091 is 19062008.

It is an a-pointer prime, because the next prime (80026117) can be obtained adding 80026091 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80026091 - 2² = 80026087 is a prime.

It is a super-3 number, since 3×80026091³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80026091.

It is not a weakly prime, because it can be changed into another prime (80026061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40013045 + 40013046.

It is an arithmetic number, because the mean of its divisors is an integer number (40013046).

Almost surely, 2^80026091 is an apocalyptic number.

80026091 is a deficient number, since it is larger than the sum of its proper divisors (1).

80026091 is an equidigital number, since it uses as much as digits as its factorization.

80026091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 80026091 is about 8945.7303223381. The cubic root of 80026091 is about 430.9337757111.

Adding to 80026091 its reverse (19062008), we get a palindrome (99088099).

The spelling of 80026091 in words is "eighty million, twenty-six thousand, ninety-one".