80148436597 has 32 divisors (see below), whose sum is σ = 86456976480. Its totient is φ = 74152673280.

The previous prime is 80148436579. The next prime is 80148436601. The reversal of 80148436597 is 79563484108.

It can be written as a sum of positive squares in 16 ways, for example, as 11679341041 + 68469095556 = 108071^2 + 261666^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80148436597 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 (80148436297) 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 31 ways as a sum of consecutive naturals, for example, 22305033 + ... + 22308625.

It is an arithmetic number, because the mean of its divisors is an integer number (2701780515).

Almost surely, 2^80148436597 is an apocalyptic number.

It is an amenable number.

80148436597 is a deficient number, since it is larger than the sum of its proper divisors (6308539883).

80148436597 is a wasteful number, since it uses less digits than its factorization.

80148436597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 80148436597 in words is "eighty billion, one hundred forty-eight million, four hundred thirty-six thousand, five hundred ninety-seven".