86177601609 has 16 divisors (see below), whose sum is σ = 125355881664. Its totient is φ = 52226081600.

The previous prime is 86177601593. The next prime is 86177601613. The reversal of 86177601609 is 90610677168.

It is not a de Polignac number, because 86177601609 - 2⁴ = 86177601593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86177600609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685927 + ... + 801779.

It is an arithmetic number, because the mean of its divisors is an integer number (7834742604).

Almost surely, 2^86177601609 is an apocalyptic number.

It is an amenable number.

86177601609 is a deficient number, since it is larger than the sum of its proper divisors (39178280055).

86177601609 is a wasteful number, since it uses less digits than its factorization.

86177601609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138408.

The product of its (nonzero) digits is 762048, while the sum is 51.

It can be divided in two parts, 86177 and 601609, that added together give a palindrome (687786).

The spelling of 86177601609 in words is "eighty-six billion, one hundred seventy-seven million, six hundred one thousand, six hundred nine".