86288019 has 8 divisors (see below), whose sum is σ = 120052992. Its totient is φ = 55024200.

The previous prime is 86288017. The next prime is 86288029. The reversal of 86288019 is 91088268.

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

It is not a de Polignac number, because 86288019 - 2¹ = 86288017 is a prime.

It is a super-2 number, since 2×86288019² = 14891244445888722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86288011) 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, 625207 + ... + 625344.

It is an arithmetic number, because the mean of its divisors is an integer number (15006624).

Almost surely, 2^86288019 is an apocalyptic number.

86288019 is a deficient number, since it is larger than the sum of its proper divisors (33764973).

86288019 is a wasteful number, since it uses less digits than its factorization.

86288019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250577.

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 86288019 is about 9289.1344591410. The cubic root of 86288019 is about 441.8927058146.

The spelling of 86288019 in words is "eighty-six million, two hundred eighty-eight thousand, nineteen".