228719417377 has 4 divisors (see below), whose sum is σ = 249512091696. Its totient is φ = 207926743060.

The previous prime is 228719417363. The next prime is 228719417393. The reversal of 228719417377 is 773714917822.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 228719417377 - 2⁷ = 228719417249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228719417327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10396337143 + ... + 10396337164.

It is an arithmetic number, because the mean of its divisors is an integer number (62378022924).

Almost surely, 2^228719417377 is an apocalyptic number.

It is an amenable number.

228719417377 is a deficient number, since it is larger than the sum of its proper divisors (20792674319).

228719417377 is a wasteful number, since it uses less digits than its factorization.

228719417377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20792674318.

The product of its digits is 8297856, while the sum is 58.

The spelling of 228719417377 in words is "two hundred twenty-eight billion, seven hundred nineteen million, four hundred seventeen thousand, three hundred seventy-seven".