345187827 has 6 divisors (see below), whose sum is σ = 498604652. Its totient is φ = 230125212.

The previous prime is 345187823. The next prime is 345187867. The reversal of 345187827 is 728781543.

It is not a de Polignac number, because 345187827 - 2² = 345187823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345187823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19177093 + ... + 19177110.

Almost surely, 2^345187827 is an apocalyptic number.

345187827 is a deficient number, since it is larger than the sum of its proper divisors (153416825).

345187827 is a wasteful number, since it uses less digits than its factorization.

345187827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38354209 (or 38354206 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 345187827 is about 18579.2310658972. The cubic root of 345187827 is about 701.4851644394.

The spelling of 345187827 in words is "three hundred forty-five million, one hundred eighty-seven thousand, eight hundred twenty-seven".