87676522605 has 192 divisors, whose sum is σ = 183831717888. Its totient is φ = 39261024000.

The previous prime is 87676522559. The next prime is 87676522627. The reversal of 87676522605 is 50622567678.

87676522605 is a `hidden beast` number, since 8 + 7 + 6 + 7 + 6 + 5 + 22 + 605 = 666.

It is not a de Polignac number, because 87676522605 - 2⁹ = 87676522093 is a prime.

It is a super-2 number, since 2×87676522605² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 143028279 + ... + 143028891.

It is an arithmetic number, because the mean of its divisors is an integer number (957456864).

Almost surely, 2^87676522605 is an apocalyptic number.

It is an amenable number.

87676522605 is an abundant number, since it is smaller than the sum of its proper divisors (96155195283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87676522605 is a wasteful number, since it uses less digits than its factorization.

87676522605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 87676522605 in words is "eighty-seven billion, six hundred seventy-six million, five hundred twenty-two thousand, six hundred five".