86519416 has 8 divisors (see below), whose sum is σ = 162223920. Its totient is φ = 43259704.

The previous prime is 86519413. The next prime is 86519417. The reversal of 86519416 is 61491568.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86519413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5407456 + ... + 5407471.

It is an arithmetic number, because the mean of its divisors is an integer number (20277990).

Almost surely, 2^86519416 is an apocalyptic number.

It is an amenable number.

86519416 is a deficient number, since it is larger than the sum of its proper divisors (75704504).

86519416 is a wasteful number, since it uses less digits than its factorization.

86519416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10814933 (or 10814929 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 86519416 is about 9301.5813709283. The cubic root of 86519416 is about 442.2873584386.

The spelling of 86519416 in words is "eighty-six million, five hundred nineteen thousand, four hundred sixteen".