228807935397 has 24 divisors (see below), whose sum is σ = 332286813144. Its totient is φ = 151714612224.

The previous prime is 228807935387. The next prime is 228807935429. The reversal of 228807935397 is 793539708822.

228807935397 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 0 + 7 + 93 + 539 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 212342169636 + 16465765761 = 460806^2 + 128319^2 .

It is not a de Polignac number, because 228807935397 - 2⁴ = 228807935381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228807935387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5854473 + ... + 5893425.

It is an arithmetic number, because the mean of its divisors is an integer number (13845283881).

Almost surely, 2^228807935397 is an apocalyptic number.

It is an amenable number.

228807935397 is a deficient number, since it is larger than the sum of its proper divisors (103478877747).

228807935397 is a wasteful number, since it uses less digits than its factorization.

228807935397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42469 (or 42466 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 228807935397 in words is "two hundred twenty-eight billion, eight hundred seven million, nine hundred thirty-five thousand, three hundred ninety-seven".