86248477 has 6 divisors (see below), whose sum is σ = 100329918. Its totient is φ = 73927224.

The previous prime is 86248471. The next prime is 86248489. The reversal of 86248477 is 77484268.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 11148921 = 8666^2 + 3339^2 .

It is not a de Polignac number, because 86248477 - 2²³ = 77859869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86248471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 880038 + ... + 880135.

It is an arithmetic number, because the mean of its divisors is an integer number (16721653).

Almost surely, 2^86248477 is an apocalyptic number.

It is an amenable number.

86248477 is a deficient number, since it is larger than the sum of its proper divisors (14081441).

86248477 is a wasteful number, since it uses less digits than its factorization.

86248477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760187 (or 1760180 counting only the distinct ones).

The product of its digits is 602112, while the sum is 46.

The square root of 86248477 is about 9287.0058145777. The cubic root of 86248477 is about 441.8251955107.

The spelling of 86248477 in words is "eighty-six million, two hundred forty-eight thousand, four hundred seventy-seven".