86538305776650 has 192 divisors, whose sum is σ = 264148888055808. Its totient is φ = 18258123375360.

The previous prime is 86538305776621. The next prime is 86538305776673. The reversal of 86538305776650 is 5667750383568.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 685535439 + ... + 685661661.

It is an arithmetic number, because the mean of its divisors is an integer number (1375775458624).

Almost surely, 2^{86538305776650} is an apocalyptic number.

86538305776650 is an abundant number, since it is smaller than the sum of its proper divisors (177610582279158).

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

86538305776650 is a wasteful number, since it uses less digits than its factorization.

86538305776650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176485 (or 176480 counting only the distinct ones).

The product of its (nonzero) digits is 762048000, while the sum is 69.

The spelling of 86538305776650 in words is "eighty-six trillion, five hundred thirty-eight billion, three hundred five million, seven hundred seventy-six thousand, six hundred fifty".