86401319 has 4 divisors (see below), whose sum is σ = 88410696. Its totient is φ = 84391944.

The previous prime is 86401307. The next prime is 86401349. The reversal of 86401319 is 91310468.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86401319 - 2¹⁶ = 86335783 is a prime.

It is a super-2 number, since 2×86401319² = 14930375849879522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86401349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004624 + ... + 1004709.

It is an arithmetic number, because the mean of its divisors is an integer number (22102674).

Almost surely, 2^86401319 is an apocalyptic number.

86401319 is a deficient number, since it is larger than the sum of its proper divisors (2009377).

86401319 is a wasteful number, since it uses less digits than its factorization.

86401319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009376.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 86401319 is about 9295.2309815303. The cubic root of 86401319 is about 442.0860294724.

The spelling of 86401319 in words is "eighty-six million, four hundred one thousand, three hundred nineteen".