87752722725777 has 8 divisors (see below), whose sum is σ = 117006567224800. Its totient is φ = 58500346688640.

The previous prime is 87752722725683. The next prime is 87752722725817. The reversal of 87752722725777 is 77752722725778.

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

It is not a de Polignac number, because 87752722725777 - 2⁷ = 87752722725649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87752722725699 and 87752722725708.

It is not an unprimeable number, because it can be changed into a prime (87752722721777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366976027 + ... + 367215072.

It is an arithmetic number, because the mean of its divisors is an integer number (14625820903100).

Almost surely, 2^{87752722725777} is an apocalyptic number.

It is an amenable number.

87752722725777 is a deficient number, since it is larger than the sum of its proper divisors (29253844499023).

87752722725777 is a wasteful number, since it uses less digits than its factorization.

87752722725777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734230943.

The product of its digits is 2635337600, while the sum is 75.

Subtracting from 87752722725777 its reverse (77752722725778), we obtain a palindrome (9999999999999).

The spelling of 87752722725777 in words is "eighty-seven trillion, seven hundred fifty-two billion, seven hundred twenty-two million, seven hundred twenty-five thousand, seven hundred seventy-seven".