26874157 has 2 divisors, whose sum is σ = 26874158. Its totient is φ = 26874156.

The previous prime is 26874137. The next prime is 26874187. The reversal of 26874157 is 75147862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25694761 + 1179396 = 5069^2 + 1086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26874157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26874137) 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, 13437078 + 13437079.

It is an arithmetic number, because the mean of its divisors is an integer number (13437079).

Almost surely, 2^26874157 is an apocalyptic number.

It is an amenable number.

26874157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26874157 is an equidigital number, since it uses as much as digits as its factorization.

26874157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 26874157 is about 5184.0290315545. The cubic root of 26874157 is about 299.5331888160.

The spelling of 26874157 in words is "twenty-six million, eight hundred seventy-four thousand, one hundred fifty-seven".