245584266878 has 4 divisors (see below), whose sum is σ = 368376400320. Its totient is φ = 122792133438.

The previous prime is 245584266839. The next prime is 245584266901. The reversal of 245584266878 is 878662485542.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61396066718 + ... + 61396066721.

It is an arithmetic number, because the mean of its divisors is an integer number (92094100080).

Almost surely, 2^245584266878 is an apocalyptic number.

245584266878 is a deficient number, since it is larger than the sum of its proper divisors (122792133442).

245584266878 is a wasteful number, since it uses less digits than its factorization.

245584266878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122792133441.

The product of its digits is 206438400, while the sum is 65.

The spelling of 245584266878 in words is "two hundred forty-five billion, five hundred eighty-four million, two hundred sixty-six thousand, eight hundred seventy-eight".