78900315801 has 8 divisors (see below), whose sum is σ = 105729067200. Its totient is φ = 52335887472.

The previous prime is 78900315727. The next prime is 78900315841. The reversal of 78900315801 is 10851300987.

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

It is not a de Polignac number, because 78900315801 - 2¹⁰ = 78900314777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78900315841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66080070 + ... + 66081263.

It is an arithmetic number, because the mean of its divisors is an integer number (13216133400).

Almost surely, 2^78900315801 is an apocalyptic number.

It is an amenable number.

78900315801 is a deficient number, since it is larger than the sum of its proper divisors (26828751399).

78900315801 is a wasteful number, since it uses less digits than its factorization.

78900315801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132161535.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 78900315801 in words is "seventy-eight billion, nine hundred million, three hundred fifteen thousand, eight hundred one".