26628057 has 12 divisors (see below), whose sum is σ = 39115440. Its totient is φ = 17450808.

The previous prime is 26628047. The next prime is 26628059. The reversal of 26628057 is 75082662.

26628057 is a `hidden beast` number, since 26 + 628 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 26628057 - 2⁸ = 26627801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26628059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24543 + ... + 25604.

It is an arithmetic number, because the mean of its divisors is an integer number (3259620).

Almost surely, 2^26628057 is an apocalyptic number.

It is an amenable number.

26628057 is a deficient number, since it is larger than the sum of its proper divisors (12487383).

26628057 is a wasteful number, since it uses less digits than its factorization.

26628057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50212 (or 50209 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 26628057 is about 5160.2380759031. The cubic root of 26628057 is about 298.6160588401.

The spelling of 26628057 in words is "twenty-six million, six hundred twenty-eight thousand, fifty-seven".