228077520647 has 8 divisors (see below), whose sum is σ = 229535550000. Its totient is φ = 226621534464.

The previous prime is 228077520623. The next prime is 228077520661. The reversal of 228077520647 is 746025770822.

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 228077520647 - 2¹⁰ = 228077519623 is a prime.

It is a super-3 number, since 3×228077520647³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228077520595 and 228077520604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228077520347) 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, 286508 + ... + 733649.

It is an arithmetic number, because the mean of its divisors is an integer number (28691943750).

Almost surely, 2^228077520647 is an apocalyptic number.

228077520647 is a deficient number, since it is larger than the sum of its proper divisors (1458029353).

228077520647 is a wasteful number, since it uses less digits than its factorization.

228077520647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021585.

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 228077520647 in words is "two hundred twenty-eight billion, seventy-seven million, five hundred twenty thousand, six hundred forty-seven".