80716863434 has 16 divisors (see below), whose sum is σ = 122885751240. Its totient is φ = 39756314880.

The previous prime is 80716863433. The next prime is 80716863499. The reversal of 80716863434 is 43436861708.

It can be written as a sum of positive squares in 4 ways, for example, as 80569119409 + 147744025 = 283847^2 + 12155^2 .

It is not an unprimeable number, because it can be changed into a prime (80716863433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223577 + ... + 459804.

Almost surely, 2^80716863434 is an apocalyptic number.

80716863434 is a deficient number, since it is larger than the sum of its proper divisors (42168887806).

80716863434 is a wasteful number, since it uses less digits than its factorization.

80716863434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684265.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 80716863434 in words is "eighty billion, seven hundred sixteen million, eight hundred sixty-three thousand, four hundred thirty-four".