878373658938 has 32 divisors (see below), whose sum is σ = 1794690766080. Its totient is φ = 286471241280.

The previous prime is 878373658933. The next prime is 878373659057. The reversal of 878373658938 is 839856373878.

It is a super-2 number, since 2×878373658938² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 878373658938.

It is not an unprimeable number, because it can be changed into a prime (878373658931) 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 15 ways as a sum of consecutive naturals, for example, 407448 + ... + 1386636.

It is an arithmetic number, because the mean of its divisors is an integer number (56084086440).

Almost surely, 2^878373658938 is an apocalyptic number.

878373658938 is an abundant number, since it is smaller than the sum of its proper divisors (916317107142).

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

878373658938 is a wasteful number, since it uses less digits than its factorization.

878373658938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982422.

The product of its digits is 1463132160, while the sum is 75.

The spelling of 878373658938 in words is "eight hundred seventy-eight billion, three hundred seventy-three million, six hundred fifty-eight thousand, nine hundred thirty-eight".