80377743682 has 8 divisors (see below), whose sum is σ = 120598413516. Its totient is φ = 40178272512.

The previous prime is 80377743637. The next prime is 80377743709. The reversal of 80377743682 is 28634777308.

It can be written as a sum of positive squares in 2 ways, for example, as 71027047081 + 9350696601 = 266509^2 + 96699^2 .

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

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, 5290183 + ... + 5305354.

Almost surely, 2^80377743682 is an apocalyptic number.

80377743682 is a deficient number, since it is larger than the sum of its proper divisors (40220669834).

80377743682 is a wasteful number, since it uses less digits than its factorization.

80377743682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10599332.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 80377743682 in words is "eighty billion, three hundred seventy-seven million, seven hundred forty-three thousand, six hundred eighty-two".