345877822 has 4 divisors (see below), whose sum is σ = 518816736. Its totient is φ = 172938910.

The previous prime is 345877817. The next prime is 345877823. The reversal of 345877822 is 228778543.

345877822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345877823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86469454 + ... + 86469457.

It is an arithmetic number, because the mean of its divisors is an integer number (129704184).

Almost surely, 2^345877822 is an apocalyptic number.

345877822 is a deficient number, since it is larger than the sum of its proper divisors (172938914).

345877822 is a wasteful number, since it uses less digits than its factorization.

345877822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172938913.

The product of its digits is 752640, while the sum is 46.

The square root of 345877822 is about 18597.7907827785. The cubic root of 345877822 is about 701.9522522807.

The spelling of 345877822 in words is "three hundred forty-five million, eight hundred seventy-seven thousand, eight hundred twenty-two".