347228399827 has 16 divisors (see below), whose sum is σ = 363932928000. Its totient is φ = 330658552224.

The previous prime is 347228399759. The next prime is 347228399923. The reversal of 347228399827 is 728993822743.

It is a cyclic number.

It is not a de Polignac number, because 347228399827 - 2²³ = 347220011219 is a prime.

It is a super-3 number, since 3×347228399827³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347228399027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41987449 + ... + 41995717.

It is an arithmetic number, because the mean of its divisors is an integer number (22745808000).

Almost surely, 2^347228399827 is an apocalyptic number.

347228399827 is a deficient number, since it is larger than the sum of its proper divisors (16704528173).

347228399827 is a wasteful number, since it uses less digits than its factorization.

347228399827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16170.

The product of its digits is 73156608, while the sum is 64.

The spelling of 347228399827 in words is "three hundred forty-seven billion, two hundred twenty-eight million, three hundred ninety-nine thousand, eight hundred twenty-seven".