345867687 has 24 divisors (see below), whose sum is σ = 546004368. Its totient is φ = 209232000.

The previous prime is 345867679. The next prime is 345867701. The reversal of 345867687 is 786768543.

It is not a de Polignac number, because 345867687 - 2³ = 345867679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345867637) 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, 56593 + ... + 62405.

It is an arithmetic number, because the mean of its divisors is an integer number (22750182).

Almost surely, 2^345867687 is an apocalyptic number.

345867687 is a deficient number, since it is larger than the sum of its proper divisors (200136681).

345867687 is a wasteful number, since it uses less digits than its factorization.

345867687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431 (or 6428 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 345867687 is about 18597.5183021821. The cubic root of 345867687 is about 701.9453959525.

The spelling of 345867687 in words is "three hundred forty-five million, eight hundred sixty-seven thousand, six hundred eighty-seven".