26870471 has 2 divisors, whose sum is σ = 26870472. Its totient is φ = 26870470.

The previous prime is 26870449. The next prime is 26870479. The reversal of 26870471 is 17407862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26870471 - 2⁶ = 26870407 is a prime.

It is a super-3 number, since 3×26870471³ (a number of 23 digits) contains 333 as substring.

It is equal to p_1675448 and since 26870471 and 1675448 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26870479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435235 + 13435236.

It is an arithmetic number, because the mean of its divisors is an integer number (13435236).

Almost surely, 2^26870471 is an apocalyptic number.

26870471 is a deficient number, since it is larger than the sum of its proper divisors (1).

26870471 is an equidigital number, since it uses as much as digits as its factorization.

26870471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 26870471 is about 5183.6735043789. The cubic root of 26870471 is about 299.5194937530.

The spelling of 26870471 in words is "twenty-six million, eight hundred seventy thousand, four hundred seventy-one".