75856663873 has 8 divisors (see below), whose sum is σ = 76303109376. Its totient is φ = 75411252000.

The previous prime is 75856663859. The next prime is 75856663879. The reversal of 75856663873 is 37836665857.

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 75856663873 - 2¹³ = 75856655681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75856663879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110953 + ... + 404998.

It is an arithmetic number, because the mean of its divisors is an integer number (9537888672).

Almost surely, 2^75856663873 is an apocalyptic number.

It is an amenable number.

75856663873 is a deficient number, since it is larger than the sum of its proper divisors (446445503).

75856663873 is a wasteful number, since it uses less digits than its factorization.

75856663873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516815.

The product of its digits is 152409600, while the sum is 64.

The spelling of 75856663873 in words is "seventy-five billion, eight hundred fifty-six million, six hundred sixty-three thousand, eight hundred seventy-three".