78001786801 has 8 divisors (see below), whose sum is σ = 80525890304. Its totient is φ = 75478178160.

The previous prime is 78001786777. The next prime is 78001786829. The reversal of 78001786801 is 10868710087.

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

It is a cyclic number.

It is not a de Polignac number, because 78001786801 - 2⁵ = 78001786769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78001786601) 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, 211051 + ... + 447823.

It is an arithmetic number, because the mean of its divisors is an integer number (10065736288).

Almost surely, 2^78001786801 is an apocalyptic number.

It is an amenable number.

78001786801 is a deficient number, since it is larger than the sum of its proper divisors (2524103503).

78001786801 is a wasteful number, since it uses less digits than its factorization.

78001786801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247431.

The product of its (nonzero) digits is 150528, while the sum is 46.

The spelling of 78001786801 in words is "seventy-eight billion, one million, seven hundred eighty-six thousand, eight hundred one".