228856077 has 16 divisors (see below), whose sum is σ = 342545280. Its totient is φ = 150996096.

The previous prime is 228856039. The next prime is 228856093. The reversal of 228856077 is 770658822.

228856077 is a `hidden beast` number, since 2 + 2 + 88 + 560 + 7 + 7 = 666.

It is not a de Polignac number, because 228856077 - 2⁶ = 228856013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228856037) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41073 + ... + 46310.

It is an arithmetic number, because the mean of its divisors is an integer number (21409080).

Almost surely, 2^228856077 is an apocalyptic number.

228856077 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

228856077 is a deficient number, since it is larger than the sum of its proper divisors (113689203).

228856077 is an equidigital number, since it uses as much as digits as its factorization.

228856077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87489 (or 87483 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 228856077 is about 15127.9898532488. The cubic root of 228856077 is about 611.6751207253.

The spelling of 228856077 in words is "two hundred twenty-eight million, eight hundred fifty-six thousand, seventy-seven".