26897057 has 8 divisors (see below), whose sum is σ = 30289152. Its totient is φ = 23662800.

The previous prime is 26897053. The next prime is 26897093. The reversal of 26897057 is 75079862.

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

It is a cyclic number.

It is not a de Polignac number, because 26897057 - 2² = 26897053 is a prime.

It is a super-2 number, since 2×26897057² = 1446903350522498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26896999 and 26897017.

It is not an unprimeable number, because it can be changed into a prime (26897053) 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, 39098 + ... + 39779.

It is an arithmetic number, because the mean of its divisors is an integer number (3786144).

Almost surely, 2^26897057 is an apocalyptic number.

It is an amenable number.

26897057 is a deficient number, since it is larger than the sum of its proper divisors (3392095).

26897057 is a wasteful number, since it uses less digits than its factorization.

26897057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78919.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 26897057 is about 5186.2372680008. The cubic root of 26897057 is about 299.6182440437.

The spelling of 26897057 in words is "twenty-six million, eight hundred ninety-seven thousand, fifty-seven".