86736771 has 64 divisors (see below), whose sum is σ = 152409600. Its totient is φ = 48153600.

The previous prime is 86736763. The next prime is 86736773. The reversal of 86736771 is 17763768.

It is a happy number.

It is not a de Polignac number, because 86736771 - 2³ = 86736763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86736773) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 206800 + ... + 207218.

It is an arithmetic number, because the mean of its divisors is an integer number (2381400).

Almost surely, 2^86736771 is an apocalyptic number.

86736771 is a deficient number, since it is larger than the sum of its proper divisors (65672829).

86736771 is a wasteful number, since it uses less digits than its factorization.

86736771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 86736771 is about 9313.2578080927. The cubic root of 86736771 is about 442.6574217260.

The spelling of 86736771 in words is "eighty-six million, seven hundred thirty-six thousand, seven hundred seventy-one".