228987707 has 8 divisors (see below), whose sum is σ = 246809136. Its totient is φ = 211195872.

The previous prime is 228987679. The next prime is 228987721. The reversal of 228987707 is 707789822.

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

It is a cyclic number.

It is not a de Polignac number, because 228987707 - 2²² = 224793403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228987757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10253 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (30851142).

Almost surely, 2^228987707 is an apocalyptic number.

228987707 is a deficient number, since it is larger than the sum of its proper divisors (17821429).

228987707 is a wasteful number, since it uses less digits than its factorization.

228987707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14797.

The product of its (nonzero) digits is 790272, while the sum is 50.

The square root of 228987707 is about 15132.3397728177. The cubic root of 228987707 is about 611.7923696177.

The spelling of 228987707 in words is "two hundred twenty-eight million, nine hundred eighty-seven thousand, seven hundred seven".