1372168878 has 8 divisors (see below), whose sum is σ = 2744337768. Its totient is φ = 457389624.

The previous prime is 1372168873. The next prime is 1372168907. The reversal of 1372168878 is 8788612731.

It is a sphenic number, since it is the product of 3 distinct primes.

1372168878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372168878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372168873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114347401 + ... + 114347412.

It is an arithmetic number, because the mean of its divisors is an integer number (343042221).

Almost surely, 2^1372168878 is an apocalyptic number.

1372168878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1372168878 is a wasteful number, since it uses less digits than its factorization.

1372168878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228694818.

The product of its digits is 903168, while the sum is 51.

The square root of 1372168878 is about 37042.7979234830. The cubic root of 1372168878 is about 1111.2263258533.

The spelling of 1372168878 in words is "one billion, three hundred seventy-two million, one hundred sixty-eight thousand, eight hundred seventy-eight".