32758784648 has 36 divisors (see below), whose sum is σ = 62207137365. Its totient is φ = 16172829376.

The previous prime is 32758784623. The next prime is 32758784651. The reversal of 32758784648 is 84648785723.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 29282738884 + 3476045764 = 171122^2 + 58958^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=127982.

It is a super-2 number, since 2×32758784648² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 45561233 + ... + 45561951.

Almost surely, 2^32758784648 is an apocalyptic number.

It is an amenable number.

32758784648 is a deficient number, since it is larger than the sum of its proper divisors (29448352717).

32758784648 is an frugal number, since it uses more digits than its factorization.

32758784648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 810 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 62.

The spelling of 32758784648 in words is "thirty-two billion, seven hundred fifty-eight million, seven hundred eighty-four thousand, six hundred forty-eight".