32920617986 has 8 divisors (see below), whose sum is σ = 49498782480. Its totient is φ = 16421023828.

The previous prime is 32920617943. The next prime is 32920618001. The reversal of 32920617986 is 68971602923.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19641536 + ... + 19643211.

It is an arithmetic number, because the mean of its divisors is an integer number (6187347810).

Almost surely, 2^32920617986 is an apocalyptic number.

32920617986 is a deficient number, since it is larger than the sum of its proper divisors (16578164494).

32920617986 is a wasteful number, since it uses less digits than its factorization.

32920617986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39285168.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 32920617986 in words is "thirty-two billion, nine hundred twenty million, six hundred seventeen thousand, nine hundred eighty-six".