8660437422 has 128 divisors (see below), whose sum is σ = 21867245568. Its totient is φ = 2225664000.

The previous prime is 8660437343. The next prime is 8660437433. The reversal of 8660437422 is 2247340668.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7210422 + ... + 7211622.

It is an arithmetic number, because the mean of its divisors is an integer number (170837856).

Almost surely, 2^8660437422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8660437422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10933622784).

8660437422 is an abundant number, since it is smaller than the sum of its proper divisors (13206808146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8660437422 is a wasteful number, since it uses less digits than its factorization.

8660437422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554.

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 8660437422 is about 93061.4712004920. The cubic root of 8660437422 is about 2053.5878017877.

The spelling of 8660437422 in words is "eight billion, six hundred sixty million, four hundred thirty-seven thousand, four hundred twenty-two".