228627990863 has 2 divisors, whose sum is σ = 228627990864. Its totient is φ = 228627990862.

The previous prime is 228627990859. The next prime is 228627990917. The reversal of 228627990863 is 368099726822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228627990863 - 2² = 228627990859 is a prime.

It is a super-2 number, since 2×228627990863² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228627990796 and 228627990805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228627990823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114313995431 + 114313995432.

It is an arithmetic number, because the mean of its divisors is an integer number (114313995432).

Almost surely, 2^228627990863 is an apocalyptic number.

228627990863 is a deficient number, since it is larger than the sum of its proper divisors (1).

228627990863 is an equidigital number, since it uses as much as digits as its factorization.

228627990863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 228627990863 in words is "two hundred twenty-eight billion, six hundred twenty-seven million, nine hundred ninety thousand, eight hundred sixty-three".