80734077986 has 8 divisors (see below), whose sum is σ = 121142079900. Its totient is φ = 40353384688.

The previous prime is 80734077979. The next prime is 80734077997. The reversal of 80734077986 is 68977043708.

It can be written as a sum of positive squares in 2 ways, for example, as 70985477761 + 9748600225 = 266431^2 + 98735^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6819761 + ... + 6831588.

Almost surely, 2^80734077986 is an apocalyptic number.

80734077986 is a deficient number, since it is larger than the sum of its proper divisors (40408001914).

80734077986 is a wasteful number, since it uses less digits than its factorization.

80734077986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654308.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 80734077986 in words is "eighty billion, seven hundred thirty-four million, seventy-seven thousand, nine hundred eighty-six".