86284737 has 80 divisors (see below), whose sum is σ = 164026560. Its totient is φ = 44823240.

The previous prime is 86284733. The next prime is 86284739. The reversal of 86284737 is 73748268.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 86284737 - 2² = 86284733 is a prime.

Its product of digits (451584) is a multiple of the sum of its prime divisors (21).

It is a junction number, because it is equal to n+sod(n) for n = 86284692 and 86284701.

It is not an unprimeable number, because it can be changed into a prime (86284733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7844062 + ... + 7844072.

It is an arithmetic number, because the mean of its divisors is an integer number (2050332).

Almost surely, 2^86284737 is an apocalyptic number.

It is an amenable number.

86284737 is a deficient number, since it is larger than the sum of its proper divisors (77741823).

86284737 is an frugal number, since it uses more digits than its factorization.

86284737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 21 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 86284737 is about 9288.9577994520. The cubic root of 86284737 is about 441.8871032204.

The spelling of 86284737 in words is "eighty-six million, two hundred eighty-four thousand, seven hundred thirty-seven".