80741662397 has 16 divisors (see below), whose sum is σ = 90297113280. Its totient is φ = 71561750400.

The previous prime is 80741662319. The next prime is 80741662411. The reversal of 80741662397 is 79326614708.

It is a cyclic number.

It is not a de Polignac number, because 80741662397 - 2¹² = 80741658301 is a prime.

It is a super-2 number, since 2×80741662397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80741682397) 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, 98129 + ... + 413657.

It is an arithmetic number, because the mean of its divisors is an integer number (5643569580).

Almost surely, 2^80741662397 is an apocalyptic number.

It is an amenable number.

80741662397 is a deficient number, since it is larger than the sum of its proper divisors (9555450883).

80741662397 is a wasteful number, since it uses less digits than its factorization.

80741662397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316124.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 80741662397 in words is "eighty billion, seven hundred forty-one million, six hundred sixty-two thousand, three hundred ninety-seven".