80439203486951 has 16 divisors (see below), whose sum is σ = 81091761569280. Its totient is φ = 79789176569760.

The previous prime is 80439203486893. The next prime is 80439203486959. The reversal of 80439203486951 is 15968430293408.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80439203486951 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 (80439203486959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516647846 + ... + 516803516.

It is an arithmetic number, because the mean of its divisors is an integer number (5068235098080).

Almost surely, 2^{80439203486951} is an apocalyptic number.

80439203486951 is a deficient number, since it is larger than the sum of its proper divisors (652558082329).

80439203486951 is a wasteful number, since it uses less digits than its factorization.

80439203486951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163774.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 80439203486951 in words is "eighty trillion, four hundred thirty-nine billion, two hundred three million, four hundred eighty-six thousand, nine hundred fifty-one".