347978992211 has 8 divisors (see below), whose sum is σ = 380333775744. Its totient is φ = 316944812160.

The previous prime is 347978992169. The next prime is 347978992253. The reversal of 347978992211 is 112299879743.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (347978992169) and next prime (347978992253).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 347978992211 - 2³⁴ = 330799123027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347978992511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330150320 + ... + 330151373.

It is an arithmetic number, because the mean of its divisors is an integer number (47541721968).

Almost surely, 2^347978992211 is an apocalyptic number.

347978992211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

347978992211 is a deficient number, since it is larger than the sum of its proper divisors (32354783533).

347978992211 is a wasteful number, since it uses less digits than its factorization.

347978992211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660301741.

The product of its digits is 13716864, while the sum is 62.

The spelling of 347978992211 in words is "three hundred forty-seven billion, nine hundred seventy-eight million, nine hundred ninety-two thousand, two hundred eleven".