345741878 has 4 divisors (see below), whose sum is σ = 518612820. Its totient is φ = 172870938.

The previous prime is 345741833. The next prime is 345741883. The reversal of 345741878 is 878147543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86435468 + ... + 86435471.

It is an arithmetic number, because the mean of its divisors is an integer number (129653205).

Almost surely, 2^345741878 is an apocalyptic number.

345741878 is a deficient number, since it is larger than the sum of its proper divisors (172870942).

345741878 is a wasteful number, since it uses less digits than its factorization.

345741878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172870941.

The product of its digits is 752640, while the sum is 47.

The square root of 345741878 is about 18594.1355808760. The cubic root of 345741878 is about 701.8602750026.

The spelling of 345741878 in words is "three hundred forty-five million, seven hundred forty-one thousand, eight hundred seventy-eight".