879732237978 has 96 divisors (see below), whose sum is σ = 2109216687552. Its totient is φ = 262781952000.

The previous prime is 879732237947. The next prime is 879732237983.

879732237978 is a `hidden beast` number, since 87 + 97 + 3 + 22 + 379 + 78 = 666.

879732237978 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4442650 + ... + 4636442.

It is an arithmetic number, because the mean of its divisors is an integer number (21971007162).

Almost surely, 2^879732237978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879732237978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054608343776).

879732237978 is an abundant number, since it is smaller than the sum of its proper divisors (1229484449574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879732237978 is a wasteful number, since it uses less digits than its factorization.

879732237978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194140 (or 194137 counting only the distinct ones).

The product of its digits is 448084224, while the sum is 72.

The spelling of 879732237978 in words is "eight hundred seventy-nine billion, seven hundred thirty-two million, two hundred thirty-seven thousand, nine hundred seventy-eight".