347882785851 has 4 divisors (see below), whose sum is σ = 463843714472. Its totient is φ = 231921857232.

The previous prime is 347882785843. The next prime is 347882785867. The reversal of 347882785851 is 158587288743.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 347882785851 - 2³ = 347882785843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347882785841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57980464306 + ... + 57980464311.

It is an arithmetic number, because the mean of its divisors is an integer number (115960928618).

Almost surely, 2^347882785851 is an apocalyptic number.

347882785851 is a deficient number, since it is larger than the sum of its proper divisors (115960928621).

347882785851 is a wasteful number, since it uses less digits than its factorization.

347882785851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115960928620.

The product of its digits is 120422400, while the sum is 66.

The spelling of 347882785851 in words is "three hundred forty-seven billion, eight hundred eighty-two million, seven hundred eighty-five thousand, eight hundred fifty-one".