228626873784 has 64 divisors (see below), whose sum is σ = 642726201600. Its totient is φ = 75290771808.

The previous prime is 228626873777. The next prime is 228626873791. The reversal of 228626873784 is 487378626822.

228626873784 is a `hidden beast` number, since 228 + 6 + 268 + 73 + 7 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (228626873777) and next prime (228626873791).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6358324 + ... + 6394179.

It is an arithmetic number, because the mean of its divisors is an integer number (10042596900).

Almost surely, 2^228626873784 is an apocalyptic number.

228626873784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228626873784 is an abundant number, since it is smaller than the sum of its proper divisors (414099327816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228626873784 is a wasteful number, since it uses less digits than its factorization.

228626873784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752601 (or 12752591 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 63.

The spelling of 228626873784 in words is "two hundred twenty-eight billion, six hundred twenty-six million, eight hundred seventy-three thousand, seven hundred eighty-four".