33398080686 has 24 divisors (see below), whose sum is σ = 72365870304. Its totient is φ = 11132176320.

The previous prime is 33398080679. The next prime is 33398080717. The reversal of 33398080686 is 68608089333.

It is a super-2 number, since 2×33398080686² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 725035 + ... + 769721.

It is an arithmetic number, because the mean of its divisors is an integer number (3015244596).

Almost surely, 2^33398080686 is an apocalyptic number.

33398080686 is an abundant number, since it is smaller than the sum of its proper divisors (38967789618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33398080686 is a wasteful number, since it uses less digits than its factorization.

33398080686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86216 (or 86213 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 33398080686 in words is "thirty-three billion, three hundred ninety-eight million, eighty thousand, six hundred eighty-six".