948863999 has 4 divisors (see below), whose sum is σ = 954348936. Its totient is φ = 943379064.

The previous prime is 948863989. The next prime is 948864013. The reversal of 948863999 is 999368849.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999368849 = 47 ⋅21263167.

It is a cyclic number.

It is not a de Polignac number, because 948863999 - 2²⁸ = 680428543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948863989) 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, 2742209 + ... + 2742554.

It is an arithmetic number, because the mean of its divisors is an integer number (238587234).

Almost surely, 2^948863999 is an apocalyptic number.

948863999 is a deficient number, since it is larger than the sum of its proper divisors (5484937).

948863999 is a wasteful number, since it uses less digits than its factorization.

948863999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484936.

The product of its digits is 30233088, while the sum is 65.

The square root of 948863999 is about 30803.6361327685. The cubic root of 948863999 is about 982.6555765436.

The spelling of 948863999 in words is "nine hundred forty-eight million, eight hundred sixty-three thousand, nine hundred ninety-nine".