2345555678 has 8 divisors (see below), whose sum is σ = 3536193672. Its totient is φ = 1166824456.

The previous prime is 2345555621. The next prime is 2345555683. The reversal of 2345555678 is 8765555432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976200 + ... + 2976987.

It is an arithmetic number, because the mean of its divisors is an integer number (442024209).

Almost surely, 2^2345555678 is an apocalyptic number.

2345555678 is a deficient number, since it is larger than the sum of its proper divisors (1190637994).

2345555678 is a wasteful number, since it uses less digits than its factorization.

2345555678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953386.

The product of its digits is 5040000, while the sum is 50.

The square root of 2345555678 is about 48430.9371992738. The cubic root of 2345555678 is about 1328.6642473260.

The spelling of 2345555678 in words is "two billion, three hundred forty-five million, five hundred fifty-five thousand, six hundred seventy-eight".