32749697856 has 28 divisors (see below), whose sum is σ = 86650242752. Its totient is φ = 10916565888.

The previous prime is 32749697839. The next prime is 32749697857. The reversal of 32749697856 is 65879694723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32749697857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85285480 + ... + 85285863.

Almost surely, 2^32749697856 is an apocalyptic number.

It is an amenable number.

32749697856 is an abundant number, since it is smaller than the sum of its proper divisors (53900544896).

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

32749697856 is a wasteful number, since it uses less digits than its factorization.

32749697856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170571358 (or 170571348 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 66.

The spelling of 32749697856 in words is "thirty-two billion, seven hundred forty-nine million, six hundred ninety-seven thousand, eight hundred fifty-six".