78789227001 has 8 divisors (see below), whose sum is σ = 105055050240. Its totient is φ = 52524777552.

The previous prime is 78789226981. The next prime is 78789227009. The reversal of 78789227001 is 10072298787.

It is a happy number.

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

It is not a de Polignac number, because 78789227001 - 2¹⁷ = 78789095929 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (78789227009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201210 + ... + 445043.

It is an arithmetic number, because the mean of its divisors is an integer number (13131881280).

Almost surely, 2^78789227001 is an apocalyptic number.

It is an amenable number.

78789227001 is a deficient number, since it is larger than the sum of its proper divisors (26265823239).

78789227001 is a wasteful number, since it uses less digits than its factorization.

78789227001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686895.

The product of its (nonzero) digits is 790272, while the sum is 51.

The spelling of 78789227001 in words is "seventy-eight billion, seven hundred eighty-nine million, two hundred twenty-seven thousand, one".