8695221378 has 8 divisors (see below), whose sum is σ = 17390442768. Its totient is φ = 2898407124.

The previous prime is 8695221343. The next prime is 8695221439. The reversal of 8695221378 is 8731225968.

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

8695221378 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 8695221378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724601776 + ... + 724601787.

It is an arithmetic number, because the mean of its divisors is an integer number (2173805346).

Almost surely, 2^8695221378 is an apocalyptic number.

8695221378 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.

8695221378 is a wasteful number, since it uses less digits than its factorization.

8695221378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449203568.

The product of its digits is 1451520, while the sum is 51.

The square root of 8695221378 is about 93248.1709096752. The cubic root of 8695221378 is about 2056.3334863132. Note that the first 3 decimals are identical.

The spelling of 8695221378 in words is "eight billion, six hundred ninety-five million, two hundred twenty-one thousand, three hundred seventy-eight".