26790057 has 24 divisors (see below), whose sum is σ = 46554560. Its totient is φ = 14502240.

The previous prime is 26790053. The next prime is 26790073. The reversal of 26790057 is 75009762.

It is not a de Polignac number, because 26790057 - 2² = 26790053 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (26790053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9994 + ... + 12387.

Almost surely, 2^26790057 is an apocalyptic number.

It is an amenable number.

26790057 is a deficient number, since it is larger than the sum of its proper divisors (19764503).

26790057 is a wasteful number, since it uses less digits than its factorization.

26790057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22413 (or 22410 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 26790057 is about 5175.9112241228. The cubic root of 26790057 is about 299.2204092155.

The spelling of 26790057 in words is "twenty-six million, seven hundred ninety thousand, fifty-seven".