348068778 has 16 divisors (see below), whose sum is σ = 737087040. Its totient is φ = 109198016.

The previous prime is 348068737. The next prime is 348068797. The reversal of 348068778 is 877860843.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 348068778.

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, 1706118 + ... + 1706321.

It is an arithmetic number, because the mean of its divisors is an integer number (46067940).

Almost surely, 2^348068778 is an apocalyptic number.

348068778 is an abundant number, since it is smaller than the sum of its proper divisors (389018262).

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

348068778 is a wasteful number, since it uses less digits than its factorization.

348068778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412461.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The square root of 348068778 is about 18656.6014590010. The cubic root of 348068778 is about 703.4313010638.

The spelling of 348068778 in words is "three hundred forty-eight million, sixty-eight thousand, seven hundred seventy-eight".