28757695 has 16 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 22270464.

The previous prime is 28757681. The next prime is 28757699. The reversal of 28757695 is 59675782.

It is a cyclic number.

It is not a de Polignac number, because 28757695 - 2¹³ = 28749503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28757699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66199 + ... + 66631.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^28757695 is an apocalyptic number.

28757695 is a deficient number, since it is larger than the sum of its proper divisors (6865025).

28757695 is a wasteful number, since it uses less digits than its factorization.

28757695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 1058400, while the sum is 49.

The square root of 28757695 is about 5362.6201618239. The cubic root of 28757695 is about 306.3736127396.

The spelling of 28757695 in words is "twenty-eight million, seven hundred fifty-seven thousand, six hundred ninety-five".