7993087 has 4 divisors (see below), whose sum is σ = 8013040. Its totient is φ = 7973136.

The previous prime is 7993061. The next prime is 7993093. The reversal of 7993087 is 7803997.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7993087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9363 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (2003260).

Almost surely, 2^7993087 is an apocalyptic number.

7993087 is a deficient number, since it is larger than the sum of its proper divisors (19953).

7993087 is a wasteful number, since it uses less digits than its factorization.

7993087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19952.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7993087 is about 2827.2048033349. The cubic root of 7993087 is about 199.9423750651.

The spelling of 7993087 in words is "seven million, nine hundred ninety-three thousand, eighty-seven".