32561946078 has 16 divisors (see below), whose sum is σ = 67955366016. Its totient is φ = 10382069720.

The previous prime is 32561946031. The next prime is 32561946113. The reversal of 32561946078 is 87064916523.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32561946078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117977928 + ... + 117978203.

It is an arithmetic number, because the mean of its divisors is an integer number (4247210376).

It is a 1-persistent number, because it is pandigital, but 2⋅32561946078 = 65123892156 is not.

Almost surely, 2^32561946078 is an apocalyptic number.

32561946078 is an abundant number, since it is smaller than the sum of its proper divisors (35393419938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32561946078 is a wasteful number, since it uses less digits than its factorization.

32561946078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235956159.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 32561946078 in words is "thirty-two billion, five hundred sixty-one million, nine hundred forty-six thousand, seventy-eight".