8372881366 has 4 divisors (see below), whose sum is σ = 12559322052. Its totient is φ = 4186440682.

The previous prime is 8372881333. The next prime is 8372881369. The reversal of 8372881366 is 6631882738.

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

It is a super-2 number, since 2×8372881366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8372881369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2093220340 + ... + 2093220343.

It is an arithmetic number, because the mean of its divisors is an integer number (3139830513).

Almost surely, 2^8372881366 is an apocalyptic number.

8372881366 is a deficient number, since it is larger than the sum of its proper divisors (4186440686).

8372881366 is a wasteful number, since it uses less digits than its factorization.

8372881366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186440685.

The product of its digits is 2322432, while the sum is 52.

The square root of 8372881366 is about 91503.4500223899. The cubic root of 8372881366 is about 2030.6027933154.

The spelling of 8372881366 in words is "eight billion, three hundred seventy-two million, eight hundred eighty-one thousand, three hundred sixty-six".