78010020211 has 8 divisors (see below), whose sum is σ = 78773127680. Its totient is φ = 77247023112.

The previous prime is 78010020119. The next prime is 78010020281. The reversal of 78010020211 is 11202001087.

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 78010020211 - 2⁹ = 78010019699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78010020281) 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, 2713036 + ... + 2741638.

It is an arithmetic number, because the mean of its divisors is an integer number (9846640960).

Almost surely, 2^78010020211 is an apocalyptic number.

78010020211 is a deficient number, since it is larger than the sum of its proper divisors (763107469).

78010020211 is a wasteful number, since it uses less digits than its factorization.

78010020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55185.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 78010020211 its reverse (11202001087), we get a palindrome (89212021298).

The spelling of 78010020211 in words is "seventy-eight billion, ten million, twenty thousand, two hundred eleven".