26427157 has 4 divisors (see below), whose sum is σ = 27818080. Its totient is φ = 25036236.

The previous prime is 26427151. The next prime is 26427179. The reversal of 26427157 is 75172462.

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: 75172462 = 2 ⋅37586231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26427157 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 (26427151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695433 + ... + 695470.

It is an arithmetic number, because the mean of its divisors is an integer number (6954520).

Almost surely, 2^26427157 is an apocalyptic number.

It is an amenable number.

26427157 is a deficient number, since it is larger than the sum of its proper divisors (1390923).

26427157 is a wasteful number, since it uses less digits than its factorization.

26427157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390922.

The product of its digits is 23520, while the sum is 34.

The square root of 26427157 is about 5140.7350641713. The cubic root of 26427157 is about 297.8631753299.

The spelling of 26427157 in words is "twenty-six million, four hundred twenty-seven thousand, one hundred fifty-seven".