346780106667 has 24 divisors (see below), whose sum is σ = 505886191616. Its totient is φ = 228895024176.

The previous prime is 346780106653. The next prime is 346780106681. The reversal of 346780106667 is 766601087643.

It is an interprime number because it is at equal distance from previous prime (346780106653) and next prime (346780106681).

It is not a de Polignac number, because 346780106667 - 2¹⁹ = 346779582379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346780106467) 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, 245148 + ... + 868134.

Almost surely, 2^346780106667 is an apocalyptic number.

346780106667 is a deficient number, since it is larger than the sum of its proper divisors (159106084949).

346780106667 is a wasteful number, since it uses less digits than its factorization.

346780106667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623607 (or 623604 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 346780106667 in words is "three hundred forty-six billion, seven hundred eighty million, one hundred six thousand, six hundred sixty-seven".