348047837778 has 32 divisors (see below), whose sum is σ = 726420151296. Its totient is φ = 110962692368.

The previous prime is 348047837747. The next prime is 348047837779. The reversal of 348047837778 is 877738740843.

It is a super-2 number, since 2×348047837778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (348047837779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703251 + ... + 1896617.

It is an arithmetic number, because the mean of its divisors is an integer number (22700629728).

Almost surely, 2^348047837778 is an apocalyptic number.

348047837778 is an abundant number, since it is smaller than the sum of its proper divisors (378372313518).

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

348047837778 is a wasteful number, since it uses less digits than its factorization.

348047837778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206438.

The product of its (nonzero) digits is 177020928, while the sum is 66.

The spelling of 348047837778 in words is "three hundred forty-eight billion, forty-seven million, eight hundred thirty-seven thousand, seven hundred seventy-eight".