86507849 has 8 divisors (see below), whose sum is σ = 92161440. Its totient is φ = 80917056.

The previous prime is 86507833. The next prime is 86507851. The reversal of 86507849 is 94870568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86507849 - 2⁴ = 86507833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86507809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12839 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (11520180).

Almost surely, 2^86507849 is an apocalyptic number.

It is an amenable number.

86507849 is a deficient number, since it is larger than the sum of its proper divisors (5653591).

86507849 is a wasteful number, since it uses less digits than its factorization.

86507849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31399.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 86507849 is about 9300.9595741515. The cubic root of 86507849 is about 442.2676473875.

The spelling of 86507849 in words is "eighty-six million, five hundred seven thousand, eight hundred forty-nine".