345474087178 has 16 divisors (see below), whose sum is σ = 589900418496. Its totient is φ = 150206124640.

The previous prime is 345474087143. The next prime is 345474087187. The reversal of 345474087178 is 871780474543.

It is a super-2 number, since 2×345474087178² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 341377051 + ... + 341378062.

It is an arithmetic number, because the mean of its divisors is an integer number (36868776156).

Almost surely, 2^345474087178 is an apocalyptic number.

345474087178 is a deficient number, since it is larger than the sum of its proper divisors (244426331318).

345474087178 is a wasteful number, since it uses less digits than its factorization.

345474087178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682755149.

The product of its (nonzero) digits is 21073920, while the sum is 58.

The spelling of 345474087178 in words is "three hundred forty-five billion, four hundred seventy-four million, eighty-seven thousand, one hundred seventy-eight".