34387899878343 has 16 divisors (see below), whose sum is σ = 50086083499776. Its totient is φ = 20813101424640.

The previous prime is 34387899878287. The next prime is 34387899878369.

34387899878343 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 34387899878343 - 2⁶ = 34387899878279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34387899878393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701225530 + ... + 701274567.

It is an arithmetic number, because the mean of its divisors is an integer number (3130380218736).

Almost surely, 2^{34387899878343} is an apocalyptic number.

34387899878343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

34387899878343 is a deficient number, since it is larger than the sum of its proper divisors (15698183621433).

34387899878343 is a wasteful number, since it uses less digits than its factorization.

34387899878343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402500854.

The product of its digits is 21069103104, while the sum is 84.

The spelling of 34387899878343 in words is "thirty-four trillion, three hundred eighty-seven billion, eight hundred ninety-nine million, eight hundred seventy-eight thousand, three hundred forty-three".