86214357 has 6 divisors (see below), whose sum is σ = 124531862. Its totient is φ = 57476232.

The previous prime is 86214347. The next prime is 86214383. The reversal of 86214357 is 75341268.

It can be written as a sum of positive squares in only one way, i.e., 51710481 + 34503876 = 7191^2 + 5874^2 .

It is not a de Polignac number, because 86214357 - 2¹⁰ = 86213333 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 (86214347) 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 5 ways as a sum of consecutive naturals, for example, 4789678 + ... + 4789695.

Almost surely, 2^86214357 is an apocalyptic number.

It is an amenable number.

86214357 is a deficient number, since it is larger than the sum of its proper divisors (38317505).

86214357 is a wasteful number, since it uses less digits than its factorization.

86214357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579379 (or 9579376 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 86214357 is about 9285.1686575958. The cubic root of 86214357 is about 441.7669256354.

The spelling of 86214357 in words is "eighty-six million, two hundred fourteen thousand, three hundred fifty-seven".