8396776938 has 32 divisors (see below), whose sum is σ = 18327260160. Its totient is φ = 2543502960.

The previous prime is 8396776937. The next prime is 8396776939.

It is a happy number.

8396776938 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (8396776937) and next prime (8396776939).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (8396776937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159633 + ... + 205611.

It is an arithmetic number, because the mean of its divisors is an integer number (572726880).

Almost surely, 2^8396776938 is an apocalyptic number.

8396776938 is an abundant number, since it is smaller than the sum of its proper divisors (9930483222).

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

8396776938 is a wasteful number, since it uses less digits than its factorization.

8396776938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48762.

The product of its digits is 82301184, while the sum is 66.

The square root of 8396776938 is about 91633.9289673863. The cubic root of 8396776938 is about 2032.5326876337.

The spelling of 8396776938 in words is "eight billion, three hundred ninety-six million, seven hundred seventy-six thousand, nine hundred thirty-eight".