32866072978 has 8 divisors (see below), whose sum is σ = 49312207872. Its totient is φ = 16428670356.

The previous prime is 32866072973. The next prime is 32866072999. The reversal of 32866072978 is 87927066823.

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

It is not an unprimeable number, because it can be changed into a prime (32866072973) 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, 2173650 + ... + 2188717.

It is an arithmetic number, because the mean of its divisors is an integer number (6164025984).

Almost surely, 2^32866072978 is an apocalyptic number.

32866072978 is a deficient number, since it is larger than the sum of its proper divisors (16446134894).

32866072978 is a wasteful number, since it uses less digits than its factorization.

32866072978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366136.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 32866072978 in words is "thirty-two billion, eight hundred sixty-six million, seventy-two thousand, nine hundred seventy-eight".