78801018032 has 20 divisors (see below), whose sum is σ = 166556697576. Its totient is φ = 35818644480.

The previous prime is 78801018031. The next prime is 78801018089. The reversal of 78801018032 is 23081010887.

It is not an unprimeable number, because it can be changed into a prime (78801018031) 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, 223866353 + ... + 223866704.

Almost surely, 2^78801018032 is an apocalyptic number.

It is an amenable number.

78801018032 is an abundant number, since it is smaller than the sum of its proper divisors (87755679544).

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

78801018032 is a wasteful number, since it uses less digits than its factorization.

78801018032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447733076 (or 447733070 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 78801018032 in words is "seventy-eight billion, eight hundred one million, eighteen thousand, thirty-two".