87685169422 has 4 divisors (see below), whose sum is σ = 131527754136. Its totient is φ = 43842584710.

The previous prime is 87685169419. The next prime is 87685169449. The reversal of 87685169422 is 22496158678.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21921292354 + ... + 21921292357.

It is an arithmetic number, because the mean of its divisors is an integer number (32881938534).

Almost surely, 2^87685169422 is an apocalyptic number.

87685169422 is a deficient number, since it is larger than the sum of its proper divisors (43842584714).

87685169422 is a wasteful number, since it uses less digits than its factorization.

87685169422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43842584713.

The product of its digits is 11612160, while the sum is 58.

The spelling of 87685169422 in words is "eighty-seven billion, six hundred eighty-five million, one hundred sixty-nine thousand, four hundred twenty-two".