228796978 has 8 divisors (see below), whose sum is σ = 343607040. Its totient is φ = 114261300.

The previous prime is 228796973. The next prime is 228796991. The reversal of 228796978 is 879697822.

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

It is not an unprimeable number, because it can be changed into a prime (228796973) 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, 66498 + ... + 69853.

It is an arithmetic number, because the mean of its divisors is an integer number (42950880).

Almost surely, 2^228796978 is an apocalyptic number.

228796978 is a deficient number, since it is larger than the sum of its proper divisors (114810062).

228796978 is a wasteful number, since it uses less digits than its factorization.

228796978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137192.

The product of its digits is 6096384, while the sum is 58.

The square root of 228796978 is about 15126.0364272998. The cubic root of 228796978 is about 611.6224639048.

The spelling of 228796978 in words is "two hundred twenty-eight million, seven hundred ninety-six thousand, nine hundred seventy-eight".