225879991378 has 8 divisors (see below), whose sum is σ = 339044227200. Its totient is φ = 112865248980.

The previous prime is 225879991369. The next prime is 225879991387. The reversal of 225879991378 is 873199978522.

It is an interprime number because it is at equal distance from previous prime (225879991369) and next prime (225879991387).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37369578 + ... + 37375621.

It is an arithmetic number, because the mean of its divisors is an integer number (42380528400).

Almost surely, 2^225879991378 is an apocalyptic number.

225879991378 is a deficient number, since it is larger than the sum of its proper divisors (113164235822).

225879991378 is a wasteful number, since it uses less digits than its factorization.

225879991378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74746712.

The product of its digits is 137168640, while the sum is 70.

The spelling of 225879991378 in words is "two hundred twenty-five billion, eight hundred seventy-nine million, nine hundred ninety-one thousand, three hundred seventy-eight".