80735290346 has 4 divisors (see below), whose sum is σ = 121102935522. Its totient is φ = 40367645172.

The previous prime is 80735290297. The next prime is 80735290369. The reversal of 80735290346 is 64309253708.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 67639005625 + 13096284721 = 260075^2 + 114439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80735290346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20183822585 + ... + 20183822588.

Almost surely, 2^80735290346 is an apocalyptic number.

80735290346 is a deficient number, since it is larger than the sum of its proper divisors (40367645176).

80735290346 is a wasteful number, since it uses less digits than its factorization.

80735290346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40367645175.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 80735290346 in words is "eighty billion, seven hundred thirty-five million, two hundred ninety thousand, three hundred forty-six".