8958778263 has 6 divisors (see below), whose sum is σ = 12940457504. Its totient is φ = 5972518836.

The previous prime is 8958778261. The next prime is 8958778307. The reversal of 8958778263 is 3628778598.

It is not a de Polignac number, because 8958778263 - 2¹ = 8958778261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8958778263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8958778261) 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 5 ways as a sum of consecutive naturals, for example, 497709895 + ... + 497709912.

Almost surely, 2^8958778263 is an apocalyptic number.

8958778263 is a deficient number, since it is larger than the sum of its proper divisors (3981679241).

8958778263 is a wasteful number, since it uses less digits than its factorization.

8958778263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995419813 (or 995419810 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The square root of 8958778263 is about 94650.8228331904. The cubic root of 8958778263 is about 2076.9032337386.

The spelling of 8958778263 in words is "eight billion, nine hundred fifty-eight million, seven hundred seventy-eight thousand, two hundred sixty-three".