32782507820 has 24 divisors (see below), whose sum is σ = 69338547600. Its totient is φ = 13018663872.

The previous prime is 32782507817. The next prime is 32782507861. The reversal of 32782507820 is 2870528723.

It is a super-2 number, since 2×32782507820² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5893355 + ... + 5898914.

It is an arithmetic number, because the mean of its divisors is an integer number (2889106150).

Almost surely, 2^32782507820 is an apocalyptic number.

It is an amenable number.

32782507820 is an abundant number, since it is smaller than the sum of its proper divisors (36556039780).

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

32782507820 is a wasteful number, since it uses less digits than its factorization.

32782507820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11792417 (or 11792415 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 32782507820 in words is "thirty-two billion, seven hundred eighty-two million, five hundred seven thousand, eight hundred twenty".