206477421227 has 40 divisors (see below), whose sum is σ = 262964692032. Its totient is φ = 160774664400.

The previous prime is 206477421221. The next prime is 206477421259. The reversal of 206477421227 is 722124774602.

It is not a de Polignac number, because 206477421227 - 2²² = 206473226923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206477421221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61984952 + ... + 61988282.

Almost surely, 2^206477421227 is an apocalyptic number.

206477421227 is a deficient number, since it is larger than the sum of its proper divisors (56487270805).

206477421227 is an equidigital number, since it uses as much as digits as its factorization.

206477421227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5696 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 44.

The spelling of 206477421227 in words is "two hundred six billion, four hundred seventy-seven million, four hundred twenty-one thousand, two hundred twenty-seven".