8087287920 has 40 divisors (see below), whose sum is σ = 25070593296. Its totient is φ = 2156610048.

The previous prime is 8087287837. The next prime is 8087287921. The reversal of 8087287920 is 297827808.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8087287921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16848277 + ... + 16848756.

Almost surely, 2^8087287920 is an apocalyptic number.

8087287920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8087287920 is an abundant number, since it is smaller than the sum of its proper divisors (16983305376).

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

8087287920 is a wasteful number, since it uses less digits than its factorization.

8087287920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33697049 (or 33697043 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 8087287920 is about 89929.3496028966. The cubic root of 8087287920 is about 2007.2476970508.

The spelling of 8087287920 in words is "eight billion, eighty-seven million, two hundred eighty-seven thousand, nine hundred twenty".