8087913943 has 4 divisors (see below), whose sum is σ = 8088603208. Its totient is φ = 8087224680.

The previous prime is 8087913929. The next prime is 8087913949. The reversal of 8087913943 is 3493197808.

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-8087913943 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 (8087913949) 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, 326721 + ... + 350602.

It is an arithmetic number, because the mean of its divisors is an integer number (2022150802).

Almost surely, 2^8087913943 is an apocalyptic number.

8087913943 is a deficient number, since it is larger than the sum of its proper divisors (689265).

8087913943 is a wasteful number, since it uses less digits than its factorization.

8087913943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689264.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 8087913943 is about 89932.8301734133. The cubic root of 8087913943 is about 2007.2994882411.

The spelling of 8087913943 in words is "eight billion, eighty-seven million, nine hundred thirteen thousand, nine hundred forty-three".