26897701 has 4 divisors (see below), whose sum is σ = 26911072. Its totient is φ = 26884332.

The previous prime is 26897699. The next prime is 26897713. The reversal of 26897701 is 10779862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10779862 = 2 ⋅5389931.

It is a cyclic number.

It is not a de Polignac number, because 26897701 - 2¹ = 26897699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26897201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2985 + ... + 7918.

It is an arithmetic number, because the mean of its divisors is an integer number (6727768).

Almost surely, 2^26897701 is an apocalyptic number.

It is an amenable number.

26897701 is a deficient number, since it is larger than the sum of its proper divisors (13371).

26897701 is a wasteful number, since it uses less digits than its factorization.

26897701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13370.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 26897701 is about 5186.2993550315. The cubic root of 26897701 is about 299.6206352918.

It can be divided in two parts, 268 and 97701, that added together give a square (97969 = 313²).

The spelling of 26897701 in words is "twenty-six million, eight hundred ninety-seven thousand, seven hundred one".