32001224078 has 4 divisors (see below), whose sum is σ = 48001836120. Its totient is φ = 16000612038.

The previous prime is 32001224077. The next prime is 32001224131. The reversal of 32001224078 is 87042210023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87042210023 = 229 ⋅380096987.

It is a self number, because there is not a number n which added to its sum of digits gives 32001224078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001224071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000306018 + ... + 8000306021.

It is an arithmetic number, because the mean of its divisors is an integer number (12000459030).

Almost surely, 2^32001224078 is an apocalyptic number.

32001224078 is a deficient number, since it is larger than the sum of its proper divisors (16000612042).

32001224078 is a wasteful number, since it uses less digits than its factorization.

32001224078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000612041.

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 32001224078 in words is "thirty-two billion, one million, two hundred twenty-four thousand, seventy-eight".