879216973847 has 2 divisors, whose sum is σ = 879216973848. Its totient is φ = 879216973846.

The previous prime is 879216973777. The next prime is 879216973907. The reversal of 879216973847 is 748379612978.

879216973847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 879216973847 - 2¹² = 879216969751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (879216972847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 439608486923 + 439608486924.

It is an arithmetic number, because the mean of its divisors is an integer number (439608486924).

Almost surely, 2^879216973847 is an apocalyptic number.

879216973847 is a deficient number, since it is larger than the sum of its proper divisors (1).

879216973847 is an equidigital number, since it uses as much as digits as its factorization.

879216973847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256048128, while the sum is 71.

The spelling of 879216973847 in words is "eight hundred seventy-nine billion, two hundred sixteen million, nine hundred seventy-three thousand, eight hundred forty-seven".