147894863 has 2 divisors, whose sum is σ = 147894864. Its totient is φ = 147894862.

The previous prime is 147894839. The next prime is 147894881. The reversal of 147894863 is 368498741.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 147894863 - 2¹² = 147890767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147894823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73947431 + 73947432.

It is an arithmetic number, because the mean of its divisors is an integer number (73947432).

Almost surely, 2^147894863 is an apocalyptic number.

147894863 is a deficient number, since it is larger than the sum of its proper divisors (1).

147894863 is an equidigital number, since it uses as much as digits as its factorization.

147894863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 50.

The square root of 147894863 is about 12161.2031888296. The cubic root of 147894863 is about 528.8319631429.

The spelling of 147894863 in words is "one hundred forty-seven million, eight hundred ninety-four thousand, eight hundred sixty-three".