7087806720 has 288 divisors, whose sum is σ = 25535610240. Its totient is φ = 1861263360.

The previous prime is 7087806647. The next prime is 7087806727. The reversal of 7087806720 is 276087807.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7087806727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2313990 + ... + 2317050.

Almost surely, 2^7087806720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7087806720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12767805120).

7087806720 is an abundant number, since it is smaller than the sum of its proper divisors (18447803520).

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

7087806720 is a wasteful number, since it uses less digits than its factorization.

7087806720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158 (or 3138 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 7087806720 is about 84189.1128353304. The cubic root of 7087806720 is about 1920.8964563755.

The spelling of 7087806720 in words is "seven billion, eighty-seven million, eight hundred six thousand, seven hundred twenty".