346840851477 has 16 divisors (see below), whose sum is σ = 471356221248. Its totient is φ = 226779621120.

The previous prime is 346840851463. The next prime is 346840851481. The reversal of 346840851477 is 774158048643.

It is a de Polignac number, because none of the positive numbers 2^k-346840851477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346840851377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077 + ... + 833117.

It is an arithmetic number, because the mean of its divisors is an integer number (29459763828).

Almost surely, 2^346840851477 is an apocalyptic number.

It is an amenable number.

346840851477 is a deficient number, since it is larger than the sum of its proper divisors (124515369771).

346840851477 is a wasteful number, since it uses less digits than its factorization.

346840851477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815780.

The product of its (nonzero) digits is 18063360, while the sum is 57.

The spelling of 346840851477 in words is "three hundred forty-six billion, eight hundred forty million, eight hundred fifty-one thousand, four hundred seventy-seven".