32857691912 has 8 divisors (see below), whose sum is σ = 61608172350. Its totient is φ = 16428845952.

The previous prime is 32857691887. The next prime is 32857691941. The reversal of 32857691912 is 21919675823.

It can be written as a sum of positive squares in only one way, i.e., 31674744676 + 1182947236 = 177974^2 + 34394^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2053605737 + ... + 2053605752.

Almost surely, 2^32857691912 is an apocalyptic number.

It is an amenable number.

32857691912 is a deficient number, since it is larger than the sum of its proper divisors (28750480438).

32857691912 is a wasteful number, since it uses less digits than its factorization.

32857691912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107211495 (or 4107211491 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The spelling of 32857691912 in words is "thirty-two billion, eight hundred fifty-seven million, six hundred ninety-one thousand, nine hundred twelve".