858980297 has 4 divisors (see below), whose sum is σ = 981691776. Its totient is φ = 736268820.

The previous prime is 858980279. The next prime is 858980321. The reversal of 858980297 is 792089858.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-858980297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (858980797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61355729 + ... + 61355742.

It is an arithmetic number, because the mean of its divisors is an integer number (245422944).

Almost surely, 2^858980297 is an apocalyptic number.

It is an amenable number.

858980297 is a deficient number, since it is larger than the sum of its proper divisors (122711479).

858980297 is a wasteful number, since it uses less digits than its factorization.

858980297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122711478.

The product of its (nonzero) digits is 2903040, while the sum is 56.

The square root of 858980297 is about 29308.3656487359. The cubic root of 858980297 is about 950.5925378223.

The spelling of 858980297 in words is "eight hundred fifty-eight million, nine hundred eighty thousand, two hundred ninety-seven".