80864613709 has 8 divisors (see below), whose sum is σ = 88352296128. Its totient is φ = 73399656960.

The previous prime is 80864613689. The next prime is 80864613721. The reversal of 80864613709 is 90731646808.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 80864613709 - 2⁹ = 80864613197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80864613769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5673972 + ... + 5688205.

It is an arithmetic number, because the mean of its divisors is an integer number (11044037016).

Almost surely, 2^80864613709 is an apocalyptic number.

It is an amenable number.

80864613709 is a deficient number, since it is larger than the sum of its proper divisors (7487682419).

80864613709 is a wasteful number, since it uses less digits than its factorization.

80864613709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11362835.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 80864613709 in words is "eighty billion, eight hundred sixty-four million, six hundred thirteen thousand, seven hundred nine".