8118788958 has 96 divisors (see below), whose sum is σ = 21844592640. Its totient is φ = 2126658240.

The previous prime is 8118788933. The next prime is 8118788959. The reversal of 8118788958 is 8598878118.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 8118788895 and 8118788904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118788959) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19516 + ... + 128912.

It is an arithmetic number, because the mean of its divisors is an integer number (227547840).

Almost surely, 2^8118788958 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8118788958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10922296320).

8118788958 is an abundant number, since it is smaller than the sum of its proper divisors (13725803682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8118788958 is a wasteful number, since it uses less digits than its factorization.

8118788958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109462 (or 109459 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 63.

The square root of 8118788958 is about 90104.3226377070. The cubic root of 8118788958 is about 2009.8504841632.

It can be divided in two parts, 811878 and 8958, that added together give a square (820836 = 906²).

The spelling of 8118788958 in words is "eight billion, one hundred eighteen million, seven hundred eighty-eight thousand, nine hundred fifty-eight".