75868860049 has 8 divisors (see below), whose sum is σ = 76435190568. Its totient is φ = 75304360320.

The previous prime is 75868860037. The next prime is 75868860059. The reversal of 75868860049 is 94006886857.

It can be written as a sum of positive squares in 4 ways, for example, as 32854100049 + 43014760000 = 181257^2 + 207400^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 75868860049 - 2¹¹ = 75868858001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75868860029) by changing a digit.

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, 374452 + ... + 540325.

It is an arithmetic number, because the mean of its divisors is an integer number (9554398821).

Almost surely, 2^75868860049 is an apocalyptic number.

It is an amenable number.

75868860049 is a deficient number, since it is larger than the sum of its proper divisors (566330519).

75868860049 is a wasteful number, since it uses less digits than its factorization.

75868860049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915395.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 75868860049 in words is "seventy-five billion, eight hundred sixty-eight million, eight hundred sixty thousand, forty-nine".