147858859 has 2 divisors, whose sum is σ = 147858860. Its totient is φ = 147858858.

The previous prime is 147858853. The next prime is 147858889. The reversal of 147858859 is 958858741.

It is a weak prime.

It is an emirp because it is prime and its reverse (958858741) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147858859 is a prime.

It is not a weakly prime, because it can be changed into another prime (147858853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73929429 + 73929430.

It is an arithmetic number, because the mean of its divisors is an integer number (73929430).

Almost surely, 2^147858859 is an apocalyptic number.

147858859 is a deficient number, since it is larger than the sum of its proper divisors (1).

147858859 is an equidigital number, since it uses as much as digits as its factorization.

147858859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 55.

The square root of 147858859 is about 12159.7228175646. The cubic root of 147858859 is about 528.7890461434.

The spelling of 147858859 in words is "one hundred forty-seven million, eight hundred fifty-eight thousand, eight hundred fifty-nine".