346971122778 has 48 divisors (see below), whose sum is σ = 807375635424. Its totient is φ = 99117819360.

The previous prime is 346971122777. The next prime is 346971122789. The reversal of 346971122778 is 877221179643.

It is not an unprimeable number, because it can be changed into a prime (346971122777) 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 in 23 ways as a sum of consecutive naturals, for example, 1693876 + ... + 1887632.

It is an arithmetic number, because the mean of its divisors is an integer number (16820325738).

Almost surely, 2^346971122778 is an apocalyptic number.

346971122778 is an abundant number, since it is smaller than the sum of its proper divisors (460404512646).

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

346971122778 is a wasteful number, since it uses less digits than its factorization.

346971122778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199867 (or 199860 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The spelling of 346971122778 in words is "three hundred forty-six billion, nine hundred seventy-one million, one hundred twenty-two thousand, seven hundred seventy-eight".