228827491775 has 12 divisors (see below), whose sum is σ = 287633024832. Its totient is φ = 180554293440.

The previous prime is 228827491759. The next prime is 228827491801. The reversal of 228827491775 is 577194728822.

It is not a de Polignac number, because 228827491775 - 2⁴ = 228827491759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62690639 + ... + 62694288.

It is an arithmetic number, because the mean of its divisors is an integer number (23969418736).

Almost surely, 2^228827491775 is an apocalyptic number.

228827491775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228827491775 is a deficient number, since it is larger than the sum of its proper divisors (58805533057).

228827491775 is a wasteful number, since it uses less digits than its factorization.

228827491775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125385010 (or 125385005 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 62.

The spelling of 228827491775 in words is "two hundred twenty-eight billion, eight hundred twenty-seven million, four hundred ninety-one thousand, seven hundred seventy-five".