86741657 has 4 divisors (see below), whose sum is σ = 86762676. Its totient is φ = 86720640.

The previous prime is 86741651. The next prime is 86741663. The reversal of 86741657 is 75614768.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86741651) and next prime (86741663).

It can be written as a sum of positive squares in 2 ways, for example, as 86415616 + 326041 = 9296^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 86741657 - 2²⁰ = 85693081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86741651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048 + ... + 13329.

It is an arithmetic number, because the mean of its divisors is an integer number (21690669).

Almost surely, 2^86741657 is an apocalyptic number.

It is an amenable number.

86741657 is a deficient number, since it is larger than the sum of its proper divisors (21019).

86741657 is a wasteful number, since it uses less digits than its factorization.

86741657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21018.

The product of its digits is 282240, while the sum is 44.

The square root of 86741657 is about 9313.5201186232. The cubic root of 86741657 is about 442.6657334010.

It can be divided in two parts, 867 and 41657, that added together give a palindrome (42524).

The spelling of 86741657 in words is "eighty-six million, seven hundred forty-one thousand, six hundred fifty-seven".