80186995497 has 16 divisors (see below), whose sum is σ = 122654315520. Its totient is φ = 45646912272.

The previous prime is 80186995459. The next prime is 80186995523. The reversal of 80186995497 is 79459968108.

It is not a de Polignac number, because 80186995497 - 2⁶ = 80186995433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80186995997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7253847 + ... + 7264892.

It is an arithmetic number, because the mean of its divisors is an integer number (7665894720).

Almost surely, 2^80186995497 is an apocalyptic number.

It is an amenable number.

80186995497 is a deficient number, since it is larger than the sum of its proper divisors (42467320023).

80186995497 is a wasteful number, since it uses less digits than its factorization.

80186995497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519012.

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 80186995497 in words is "eighty billion, one hundred eighty-six million, nine hundred ninety-five thousand, four hundred ninety-seven".