347477628213 has 24 divisors (see below), whose sum is σ = 515567052000. Its totient is φ = 225351660384.

The previous prime is 347477628203. The next prime is 347477628283. The reversal of 347477628213 is 312826774743.

347477628213 is a `hidden beast` number, since 3 + 4 + 7 + 4 + 7 + 7 + 628 + 2 + 1 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-347477628213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347477628213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347477628203) 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, 1889838 + ... + 2065536.

It is an arithmetic number, because the mean of its divisors is an integer number (21481960500).

Almost surely, 2^347477628213 is an apocalyptic number.

It is an amenable number.

347477628213 is a deficient number, since it is larger than the sum of its proper divisors (168089423787).

347477628213 is a wasteful number, since it uses less digits than its factorization.

347477628213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181681 (or 181678 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 54.

The spelling of 347477628213 in words is "three hundred forty-seven billion, four hundred seventy-seven million, six hundred twenty-eight thousand, two hundred thirteen".