26027831 has 2 divisors, whose sum is σ = 26027832. Its totient is φ = 26027830.

The previous prime is 26027821. The next prime is 26027849. The reversal of 26027831 is 13872062.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26027831 is a prime.

It is a super-2 number, since 2×26027831² = 1354895973129122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26027794 and 26027803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26027821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13013915 + 13013916.

It is an arithmetic number, because the mean of its divisors is an integer number (13013916).

Almost surely, 2^26027831 is an apocalyptic number.

26027831 is a deficient number, since it is larger than the sum of its proper divisors (1).

26027831 is an equidigital number, since it uses as much as digits as its factorization.

26027831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 26027831 is about 5101.7478377513. The cubic root of 26027831 is about 296.3552732857.

Adding to 26027831 its reverse (13872062), we get a palindrome (39899893).

The spelling of 26027831 in words is "twenty-six million, twenty-seven thousand, eight hundred thirty-one".