26751397 has 8 divisors (see below), whose sum is σ = 27050816. Its totient is φ = 26453952.

The previous prime is 26751383. The next prime is 26751437. The reversal of 26751397 is 79315762.

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

It is a 10-Lehmer number, since φ(26751397) divides (26751397-1)¹⁰.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26751397 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 (26751317) 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 in 7 ways as a sum of consecutive naturals, for example, 54688 + ... + 55174.

It is an arithmetic number, because the mean of its divisors is an integer number (3381352).

Almost surely, 2^26751397 is an apocalyptic number.

It is an amenable number.

26751397 is a deficient number, since it is larger than the sum of its proper divisors (299419).

26751397 is a wasteful number, since it uses less digits than its factorization.

26751397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its digits is 79380, while the sum is 40.

The square root of 26751397 is about 5172.1752677186. The cubic root of 26751397 is about 299.0764076567.

The spelling of 26751397 in words is "twenty-six million, seven hundred fifty-one thousand, three hundred ninety-seven".