86329457 has 4 divisors (see below), whose sum is σ = 87744756. Its totient is φ = 84914160.

The previous prime is 86329427. The next prime is 86329493. The reversal of 86329457 is 75492368.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30019441 + 56310016 = 5479^2 + 7504^2 .

It is a cyclic number.

It is not a de Polignac number, because 86329457 - 2¹⁰ = 86328433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86329427) 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 3 ways as a sum of consecutive naturals, for example, 707558 + ... + 707679.

It is an arithmetic number, because the mean of its divisors is an integer number (21936189).

Almost surely, 2^86329457 is an apocalyptic number.

It is an amenable number.

86329457 is a deficient number, since it is larger than the sum of its proper divisors (1415299).

86329457 is a wasteful number, since it uses less digits than its factorization.

86329457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415298.

The product of its digits is 362880, while the sum is 44.

The square root of 86329457 is about 9291.3646468105. The cubic root of 86329457 is about 441.9634310429.

The spelling of 86329457 in words is "eighty-six million, three hundred twenty-nine thousand, four hundred fifty-seven".