32217860828 has 12 divisors (see below), whose sum is σ = 59697801072. Its totient is φ = 15161346240.

The previous prime is 32217860827. The next prime is 32217860861. The reversal of 32217860828 is 82806871223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32217860827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236895968 + ... + 236896103.

It is an arithmetic number, because the mean of its divisors is an integer number (4974816756).

Almost surely, 2^32217860828 is an apocalyptic number.

It is an amenable number.

32217860828 is a deficient number, since it is larger than the sum of its proper divisors (27479940244).

32217860828 is a wasteful number, since it uses less digits than its factorization.

32217860828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473792092 (or 473792090 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 32217860828 in words is "thirty-two billion, two hundred seventeen million, eight hundred sixty thousand, eight hundred twenty-eight".