80634786863 has 8 divisors (see below), whose sum is σ = 80797826928. Its totient is φ = 80471850624.

The previous prime is 80634786847. The next prime is 80634786871. The reversal of 80634786863 is 36868743608.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80634786863 - 2⁴ = 80634786847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80634786163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635095 + ... + 1683687.

It is an arithmetic number, because the mean of its divisors is an integer number (10099728366).

Almost surely, 2^80634786863 is an apocalyptic number.

80634786863 is a deficient number, since it is larger than the sum of its proper divisors (163040065).

80634786863 is a wasteful number, since it uses less digits than its factorization.

80634786863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51913.

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

The spelling of 80634786863 in words is "eighty billion, six hundred thirty-four million, seven hundred eighty-six thousand, eight hundred sixty-three".