26087157 has 8 divisors (see below), whose sum is σ = 38647680. Its totient is φ = 17391420.

The previous prime is 26087147. The next prime is 26087161. The reversal of 26087157 is 75178062.

It is not a de Polignac number, because 26087157 - 2⁴ = 26087141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26087107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483069 + ... + 483122.

It is an arithmetic number, because the mean of its divisors is an integer number (4830960).

Almost surely, 2^26087157 is an apocalyptic number.

26087157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

26087157 is a deficient number, since it is larger than the sum of its proper divisors (12560523).

26087157 is an equidigital number, since it uses as much as digits as its factorization.

26087157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966200 (or 966194 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 26087157 is about 5107.5588102341. The cubic root of 26087157 is about 296.5802661887.

It can be divided in two parts, 26087 and 157, that added together give a square (26244 = 162²).

The spelling of 26087157 in words is "twenty-six million, eighty-seven thousand, one hundred fifty-seven".