8634867494 has 32 divisors (see below), whose sum is σ = 14967174816. Its totient is φ = 3692523520.

The previous prime is 8634867481. The next prime is 8634867497. The reversal of 8634867494 is 4947684368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8634867497) 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, 1790174 + ... + 1794990.

It is an arithmetic number, because the mean of its divisors is an integer number (467724213).

Almost surely, 2^8634867494 is an apocalyptic number.

8634867494 is a deficient number, since it is larger than the sum of its proper divisors (6332307322).

8634867494 is a wasteful number, since it uses less digits than its factorization.

8634867494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640.

The product of its digits is 27869184, while the sum is 59.

The square root of 8634867494 is about 92923.9877211477. The cubic root of 8634867494 is about 2051.5647378529.

The spelling of 8634867494 in words is "eight billion, six hundred thirty-four million, eight hundred sixty-seven thousand, four hundred ninety-four".