228432700687 has 2 divisors, whose sum is σ = 228432700688. Its totient is φ = 228432700686.

The previous prime is 228432700663. The next prime is 228432700723. The reversal of 228432700687 is 786007234822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228432700687 - 2²³ = 228424312079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228432700687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228432700637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114216350343 + 114216350344.

It is an arithmetic number, because the mean of its divisors is an integer number (114216350344).

Almost surely, 2^228432700687 is an apocalyptic number.

228432700687 is a deficient number, since it is larger than the sum of its proper divisors (1).

228432700687 is an equidigital number, since it uses as much as digits as its factorization.

228432700687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 228432700687 in words is "two hundred twenty-eight billion, four hundred thirty-two million, seven hundred thousand, six hundred eighty-seven".