872862378 has 8 divisors (see below), whose sum is σ = 1745724768. Its totient is φ = 290954124.

The previous prime is 872862377. The next prime is 872862391. The reversal of 872862378 is 873268278.

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

872862378 is an admirable number.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 872862378.

It is not an unprimeable number, because it can be changed into a prime (872862371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72738526 + ... + 72738537.

It is an arithmetic number, because the mean of its divisors is an integer number (218215596).

Almost surely, 2^872862378 is an apocalyptic number.

872862378 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.

872862378 is a wasteful number, since it uses less digits than its factorization.

872862378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145477068.

The product of its digits is 1806336, while the sum is 51.

The square root of 872862378 is about 29544.2444140987. The cubic root of 872862378 is about 955.6860755362.

The spelling of 872862378 in words is "eight hundred seventy-two million, eight hundred sixty-two thousand, three hundred seventy-eight".