8278688532 has 24 divisors (see below), whose sum is σ = 19446588000. Its totient is φ = 2741041696.

The previous prime is 8278688527. The next prime is 8278688533. The reversal of 8278688532 is 2358868728.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278688533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2313282 + ... + 2316857.

It is an arithmetic number, because the mean of its divisors is an integer number (810274500).

Almost surely, 2^8278688532 is an apocalyptic number.

It is an amenable number.

8278688532 is an abundant number, since it is smaller than the sum of its proper divisors (11167899468).

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

8278688532 is a wasteful number, since it uses less digits than its factorization.

8278688532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630295 (or 4630293 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 57.

The square root of 8278688532 is about 90987.2987399890. The cubic root of 8278688532 is about 2022.9594672006.

The spelling of 8278688532 in words is "eight billion, two hundred seventy-eight million, six hundred eighty-eight thousand, five hundred thirty-two".