349859984078 has 32 divisors (see below), whose sum is σ = 611344005120. Its totient is φ = 148590540000.

The previous prime is 349859984053. The next prime is 349859984081. The reversal of 349859984078 is 870489958943.

It is a junction number, because it is equal to n+sod(n) for n = 349859983996 and 349859984014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8824898 + ... + 8864453.

It is an arithmetic number, because the mean of its divisors is an integer number (19104500160).

Almost surely, 2^349859984078 is an apocalyptic number.

349859984078 is a deficient number, since it is larger than the sum of its proper divisors (261484021042).

349859984078 is a wasteful number, since it uses less digits than its factorization.

349859984078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689424.

The product of its (nonzero) digits is 627056640, while the sum is 74.

The spelling of 349859984078 in words is "three hundred forty-nine billion, eight hundred fifty-nine million, nine hundred eighty-four thousand, seventy-eight".