346809640777 has 8 divisors (see below), whose sum is σ = 358917361920. Its totient is φ = 334759439280.

The previous prime is 346809640763. The next prime is 346809640783. The reversal of 346809640777 is 777046908643.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346809640777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346809644777) 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, 14367643 + ... + 14391760.

It is an arithmetic number, because the mean of its divisors is an integer number (44864670240).

Almost surely, 2^346809640777 is an apocalyptic number.

It is an amenable number.

346809640777 is a deficient number, since it is larger than the sum of its proper divisors (12107721143).

346809640777 is a wasteful number, since it uses less digits than its factorization.

346809640777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28759823.

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 346809640777 in words is "three hundred forty-six billion, eight hundred nine million, six hundred forty thousand, seven hundred seventy-seven".