80446864408 has 16 divisors (see below), whose sum is σ = 152331316560. Its totient is φ = 39825180000.

The previous prime is 80446864397. The next prime is 80446864439.

80446864408 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49780668 + ... + 49782283.

It is an arithmetic number, because the mean of its divisors is an integer number (9520707285).

Almost surely, 2^80446864408 is an apocalyptic number.

It is an amenable number.

80446864408 is a deficient number, since it is larger than the sum of its proper divisors (71884452152).

80446864408 is a wasteful number, since it uses less digits than its factorization.

80446864408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99563058 (or 99563054 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 80446864408 in words is "eighty billion, four hundred forty-six million, eight hundred sixty-four thousand, four hundred eight".