830028287 has 4 divisors (see below), whose sum is σ = 905485416. Its totient is φ = 754571160.

The previous prime is 830028271. The next prime is 830028299. The reversal of 830028287 is 782820038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 830028287 - 2⁴ = 830028271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 830028287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830022287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37728548 + ... + 37728569.

It is an arithmetic number, because the mean of its divisors is an integer number (226371354).

Almost surely, 2^830028287 is an apocalyptic number.

830028287 is a deficient number, since it is larger than the sum of its proper divisors (75457129).

830028287 is a wasteful number, since it uses less digits than its factorization.

830028287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75457128.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 830028287 is about 28810.2115056450. The cubic root of 830028287 is about 939.7903134972.

The spelling of 830028287 in words is "eight hundred thirty million, twenty-eight thousand, two hundred eighty-seven".