86771736744050 has 18 divisors (see below), whose sum is σ = 161395552858413. Its totient is φ = 34708668350440.

The previous prime is 86771736744029. The next prime is 86771736744059. The reversal of 86771736744050 is 5044763717768.

It can be written as a sum of positive squares in 2 ways, for example, as 85036302009169 + 1735434734881 = 9221513^2 + 1317359^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6586795.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86771736744059) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65209271 + ... + 66526629.

Almost surely, 2^{86771736744050} is an apocalyptic number.

86771736744050 is a deficient number, since it is larger than the sum of its proper divisors (74623816114363).

86771736744050 is an frugal number, since it uses more digits than its factorization.

86771736744050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634730 (or 1317366 counting only the distinct ones).

The product of its (nonzero) digits is 165957120, while the sum is 65.

The spelling of 86771736744050 in words is "eighty-six trillion, seven hundred seventy-one billion, seven hundred thirty-six million, seven hundred forty-four thousand, fifty".