8372566851 has 16 divisors (see below), whose sum is σ = 12461496960. Its totient is φ = 4956275520.

The previous prime is 8372566841. The next prime is 8372566897. The reversal of 8372566851 is 1586652738.

It is a happy number.

It is not a de Polignac number, because 8372566851 - 2¹³ = 8372558659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8372566794 and 8372566803.

It is not an unprimeable number, because it can be changed into a prime (8372566841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948746 + ... + 2951583.

It is an arithmetic number, because the mean of its divisors is an integer number (778843560).

Almost surely, 2^8372566851 is an apocalyptic number.

8372566851 is a deficient number, since it is larger than the sum of its proper divisors (4088930109).

8372566851 is a wasteful number, since it uses less digits than its factorization.

8372566851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900386.

The product of its digits is 2419200, while the sum is 51.

The square root of 8372566851 is about 91501.7314098482. The cubic root of 8372566851 is about 2030.5773674591.

The spelling of 8372566851 in words is "eight billion, three hundred seventy-two million, five hundred sixty-six thousand, eight hundred fifty-one".