7087985997 has 8 divisors (see below), whose sum is σ = 9452305344. Its totient is φ = 4724495328.

The previous prime is 7087985959. The next prime is 7087985999. The reversal of 7087985997 is 7995897807.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7087985997 - 2²⁰ = 7086937421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7087985999) 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, 186928 + ... + 221625.

It is an arithmetic number, because the mean of its divisors is an integer number (1181538168).

Almost surely, 2^7087985997 is an apocalyptic number.

It is an amenable number.

7087985997 is a deficient number, since it is larger than the sum of its proper divisors (2364319347).

7087985997 is a wasteful number, since it uses less digits than its factorization.

7087985997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414339.

The product of its (nonzero) digits is 80015040, while the sum is 69.

The square root of 7087985997 is about 84190.1775565297. The cubic root of 7087985997 is about 1920.9126517781.

The spelling of 7087985997 in words is "seven billion, eighty-seven million, nine hundred eighty-five thousand, nine hundred ninety-seven".