346531861677 has 16 divisors (see below), whose sum is σ = 463073472000. Its totient is φ = 230505886464.

The previous prime is 346531861673. The next prime is 346531861679. The reversal of 346531861677 is 776168135643.

It is a happy number.

It is not a de Polignac number, because 346531861677 - 2² = 346531861673 is a prime.

It is a super-2 number, since 2×346531861677² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346531861673) 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, 13910649 + ... + 13935537.

It is an arithmetic number, because the mean of its divisors is an integer number (28942092000).

Almost surely, 2^346531861677 is an apocalyptic number.

It is an amenable number.

346531861677 is a deficient number, since it is larger than the sum of its proper divisors (116541610323).

346531861677 is a wasteful number, since it uses less digits than its factorization.

346531861677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35060.

The product of its digits is 15240960, while the sum is 57.

The spelling of 346531861677 in words is "three hundred forty-six billion, five hundred thirty-one million, eight hundred sixty-one thousand, six hundred seventy-seven".