68880332493 has 24 divisors (see below), whose sum is σ = 113724252096. Its totient is φ = 39354292800.

The previous prime is 68880332467. The next prime is 68880332513. The reversal of 68880332493 is 39423308886.

It is a happy number.

It is not a de Polignac number, because 68880332493 - 2¹⁰ = 68880331469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68880332693) 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 23 ways as a sum of consecutive naturals, for example, 360753 + ... + 517593.

It is an arithmetic number, because the mean of its divisors is an integer number (4738510504).

Almost surely, 2^68880332493 is an apocalyptic number.

68880332493 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68880332493 is a deficient number, since it is larger than the sum of its proper divisors (44843919603).

68880332493 is a wasteful number, since it uses less digits than its factorization.

68880332493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163825 (or 163822 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 68880332493 in words is "sixty-eight billion, eight hundred eighty million, three hundred thirty-two thousand, four hundred ninety-three".