228329877 has 4 divisors (see below), whose sum is σ = 304439840. Its totient is φ = 152219916.

The previous prime is 228329867. The next prime is 228329887. The reversal of 228329877 is 778923822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (228329867) and next prime (228329887).

It is not a de Polignac number, because 228329877 - 2¹⁵ = 228297109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228329837) 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, 38054977 + ... + 38054982.

It is an arithmetic number, because the mean of its divisors is an integer number (76109960).

Almost surely, 2^228329877 is an apocalyptic number.

It is an amenable number.

228329877 is a deficient number, since it is larger than the sum of its proper divisors (76109963).

228329877 is an equidigital number, since it uses as much as digits as its factorization.

228329877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76109962.

The product of its digits is 677376, while the sum is 48.

The square root of 228329877 is about 15110.5882413624. The cubic root of 228329877 is about 611.2059605861.

The spelling of 228329877 in words is "two hundred twenty-eight million, three hundred twenty-nine thousand, eight hundred seventy-seven".