80643674324 has 12 divisors (see below), whose sum is σ = 145992858900. Its totient is φ = 38931428928.

The previous prime is 80643674323. The next prime is 80643674327. The reversal of 80643674324 is 42347634608.

It can be written as a sum of positive squares in 2 ways, for example, as 52707894724 + 27935779600 = 229582^2 + 167140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80643674323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347601929 + ... + 347602160.

It is an arithmetic number, because the mean of its divisors is an integer number (12166071575).

Almost surely, 2^80643674324 is an apocalyptic number.

It is an amenable number.

80643674324 is a deficient number, since it is larger than the sum of its proper divisors (65349184576).

80643674324 is a wasteful number, since it uses less digits than its factorization.

80643674324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695204122 (or 695204120 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 80643674324 in words is "eighty billion, six hundred forty-three million, six hundred seventy-four thousand, three hundred twenty-four".