8373422687 has 4 divisors (see below), whose sum is σ = 9569625936. Its totient is φ = 7177219440.

The previous prime is 8373422657. The next prime is 8373422719. The reversal of 8373422687 is 7862243738.

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 8373422687 - 2³⁰ = 7299680863 is a prime.

It is a super-2 number, since 2×8373422687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8373422657) 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, 598101614 + ... + 598101627.

It is an arithmetic number, because the mean of its divisors is an integer number (2392406484).

Almost surely, 2^8373422687 is an apocalyptic number.

8373422687 is a deficient number, since it is larger than the sum of its proper divisors (1196203249).

8373422687 is a wasteful number, since it uses less digits than its factorization.

8373422687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196203248.

The product of its digits is 2709504, while the sum is 50.

The square root of 8373422687 is about 91506.4079013049. The cubic root of 8373422687 is about 2030.6465530121.

The spelling of 8373422687 in words is "eight billion, three hundred seventy-three million, four hundred twenty-two thousand, six hundred eighty-seven".