26157863 has 2 divisors, whose sum is σ = 26157864. Its totient is φ = 26157862.

The previous prime is 26157841. The next prime is 26157907. The reversal of 26157863 is 36875162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26157863 - 2⁶ = 26157799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26157763) 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 as a sum of consecutive naturals, namely, 13078931 + 13078932.

It is an arithmetic number, because the mean of its divisors is an integer number (13078932).

Almost surely, 2^26157863 is an apocalyptic number.

26157863 is a deficient number, since it is larger than the sum of its proper divisors (1).

26157863 is an equidigital number, since it uses as much as digits as its factorization.

26157863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 26157863 is about 5114.4758284696. The cubic root of 26157863 is about 296.8479724684.

The spelling of 26157863 in words is "twenty-six million, one hundred fifty-seven thousand, eight hundred sixty-three".