7085215887 has 4 divisors (see below), whose sum is σ = 9446954520. Its totient is φ = 4723477256.

The previous prime is 7085215873. The next prime is 7085215903. The reversal of 7085215887 is 7885125807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7085215887 - 2⁴ = 7085215871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085215847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180869312 + ... + 1180869317.

It is an arithmetic number, because the mean of its divisors is an integer number (2361738630).

Almost surely, 2^7085215887 is an apocalyptic number.

7085215887 is a deficient number, since it is larger than the sum of its proper divisors (2361738633).

7085215887 is a wasteful number, since it uses less digits than its factorization.

7085215887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361738632.

The product of its (nonzero) digits is 1254400, while the sum is 51.

The square root of 7085215887 is about 84173.7244453398. The cubic root of 7085215887 is about 1920.6623769846.

The spelling of 7085215887 in words is "seven billion, eighty-five million, two hundred fifteen thousand, eight hundred eighty-seven".