342880978 has 32 divisors (see below), whose sum is σ = 590328000. Its totient is φ = 147913920.

The previous prime is 342880969. The next prime is 342880999. The reversal of 342880978 is 879088243.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 33088 + ... + 42196.

It is an arithmetic number, because the mean of its divisors is an integer number (18447750).

Almost surely, 2^342880978 is an apocalyptic number.

342880978 is a deficient number, since it is larger than the sum of its proper divisors (247447022).

342880978 is a wasteful number, since it uses less digits than its factorization.

342880978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 342880978 is about 18517.0456066836. The cubic root of 342880978 is about 699.9190232860.

The spelling of 342880978 in words is "three hundred forty-two million, eight hundred eighty thousand, nine hundred seventy-eight".