342878757398 has 8 divisors (see below), whose sum is σ = 521994526392. Its totient is φ = 168880581936.

The previous prime is 342878757349. The next prime is 342878757421. The reversal of 342878757398 is 893757878243.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279398215 + ... + 1279398482.

It is an arithmetic number, because the mean of its divisors is an integer number (65249315799).

Almost surely, 2^342878757398 is an apocalyptic number.

342878757398 is a deficient number, since it is larger than the sum of its proper divisors (179115768994).

342878757398 is a wasteful number, since it uses less digits than its factorization.

342878757398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558796766.

The product of its digits is 568995840, while the sum is 71.

The spelling of 342878757398 in words is "three hundred forty-two billion, eight hundred seventy-eight million, seven hundred fifty-seven thousand, three hundred ninety-eight".