87759681622 has 16 divisors (see below), whose sum is σ = 136230193440. Its totient is φ = 42350758912.

The previous prime is 87759681557. The next prime is 87759681623. The reversal of 87759681622 is 22618695778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87759681623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129643 + ... + 438550.

It is an arithmetic number, because the mean of its divisors is an integer number (8514387090).

Almost surely, 2^87759681622 is an apocalyptic number.

87759681622 is a deficient number, since it is larger than the sum of its proper divisors (48470511818).

87759681622 is a wasteful number, since it uses less digits than its factorization.

87759681622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570887.

The product of its digits is 20321280, while the sum is 61.

The spelling of 87759681622 in words is "eighty-seven billion, seven hundred fifty-nine million, six hundred eighty-one thousand, six hundred twenty-two".