342199878 has 8 divisors (see below), whose sum is σ = 684399768. Its totient is φ = 114066624.

The previous prime is 342199843. The next prime is 342199883. The reversal of 342199878 is 878991243.

It is a sphenic number, since it is the product of 3 distinct primes.

342199878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 342199878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28516651 + ... + 28516662.

It is an arithmetic number, because the mean of its divisors is an integer number (85549971).

Almost surely, 2^342199878 is an apocalyptic number.

342199878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342199878 is a wasteful number, since it uses less digits than its factorization.

342199878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57033318.

The product of its digits is 870912, while the sum is 51.

The square root of 342199878 is about 18498.6453017512. The cubic root of 342199878 is about 699.4552755372.

It can be divided in two parts, 34 and 2199878, that added together give a palindrome (2199912).

The spelling of 342199878 in words is "three hundred forty-two million, one hundred ninety-nine thousand, eight hundred seventy-eight".