26920057 has 8 divisors (see below), whose sum is σ = 27276480. Its totient is φ = 26565840.

The previous prime is 26920039. The next prime is 26920073. The reversal of 26920057 is 75002962.

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 26920057 - 2⁷ = 26919929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26920007) 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 in 7 ways as a sum of consecutive naturals, for example, 53268 + ... + 53770.

It is an arithmetic number, because the mean of its divisors is an integer number (3409560).

Almost surely, 2^26920057 is an apocalyptic number.

It is an amenable number.

26920057 is a deficient number, since it is larger than the sum of its proper divisors (356423).

26920057 is a wasteful number, since it uses less digits than its factorization.

26920057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 26920057 is about 5188.4542013976. The cubic root of 26920057 is about 299.7036221117.

The spelling of 26920057 in words is "twenty-six million, nine hundred twenty thousand, fifty-seven".