345878078 has 16 divisors (see below), whose sum is σ = 638544480. Its totient is φ = 136830816.

The previous prime is 345878069. The next prime is 345878081. The reversal of 345878078 is 870878543.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 950033 + ... + 950396.

It is an arithmetic number, because the mean of its divisors is an integer number (39909030).

Almost surely, 2^345878078 is an apocalyptic number.

345878078 is a deficient number, since it is larger than the sum of its proper divisors (292666402).

345878078 is a wasteful number, since it uses less digits than its factorization.

345878078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900451.

The product of its (nonzero) digits is 1505280, while the sum is 50.

The square root of 345878078 is about 18597.7976653151. The cubic root of 345878078 is about 701.9524254629.

The spelling of 345878078 in words is "three hundred forty-five million, eight hundred seventy-eight thousand, seventy-eight".