878451372422 has 32 divisors (see below), whose sum is σ = 1421176760640. Its totient is φ = 404828012160.

The previous prime is 878451372419. The next prime is 878451372433. The reversal of 878451372422 is 224273154878.

It is a super-4 number, since 4×878451372422⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 130466168 + ... + 130472900.

It is an arithmetic number, because the mean of its divisors is an integer number (44411773770).

Almost surely, 2^878451372422 is an apocalyptic number.

878451372422 is a deficient number, since it is larger than the sum of its proper divisors (542725388218).

878451372422 is a wasteful number, since it uses less digits than its factorization.

878451372422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568.

The product of its digits is 6021120, while the sum is 53.

The spelling of 878451372422 in words is "eight hundred seventy-eight billion, four hundred fifty-one million, three hundred seventy-two thousand, four hundred twenty-two".