75920781601 has 16 divisors (see below), whose sum is σ = 90435125248. Its totient is φ = 62364330000.

The previous prime is 75920781569. The next prime is 75920781617. The reversal of 75920781601 is 10618702957.

It is a happy number.

It is not a de Polignac number, because 75920781601 - 2⁵ = 75920781569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75920781701) 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 15 ways as a sum of consecutive naturals, for example, 1676025 + ... + 1720726.

It is an arithmetic number, because the mean of its divisors is an integer number (5652195328).

Almost surely, 2^75920781601 is an apocalyptic number.

It is an amenable number.

75920781601 is a deficient number, since it is larger than the sum of its proper divisors (14514343647).

75920781601 is a wasteful number, since it uses less digits than its factorization.

75920781601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396892.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 75920781601 in words is "seventy-five billion, nine hundred twenty million, seven hundred eighty-one thousand, six hundred one".