32891073028 has 24 divisors (see below), whose sum is σ = 64957294080. Its totient is φ = 14434953120.

The previous prime is 32891073001. The next prime is 32891073049. The reversal of 32891073028 is 82037019823.

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 in 7 ways as a sum of consecutive naturals, for example, 12887076 + ... + 12889627.

It is an arithmetic number, because the mean of its divisors is an integer number (2706553920).

Almost surely, 2^32891073028 is an apocalyptic number.

It is an amenable number.

32891073028 is a deficient number, since it is larger than the sum of its proper divisors (32066221052).

32891073028 is a wasteful number, since it uses less digits than its factorization.

32891073028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25776747 (or 25776745 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 32891073028 in words is "thirty-two billion, eight hundred ninety-one million, seventy-three thousand, twenty-eight".