80388135659 has 16 divisors (see below), whose sum is σ = 90596282112. Its totient is φ = 70773513888.

The previous prime is 80388135649. The next prime is 80388135683. The reversal of 80388135659 is 95653188308.

It is a cyclic number.

It is not a de Polignac number, because 80388135659 - 2¹² = 80388131563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80388135649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283649 + ... + 491154.

It is an arithmetic number, because the mean of its divisors is an integer number (5662267632).

Almost surely, 2^80388135659 is an apocalyptic number.

80388135659 is a deficient number, since it is larger than the sum of its proper divisors (10208146453).

80388135659 is a wasteful number, since it uses less digits than its factorization.

80388135659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775186.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 80388135659 in words is "eighty billion, three hundred eighty-eight million, one hundred thirty-five thousand, six hundred fifty-nine".