86687419 has 16 divisors (see below), whose sum is σ = 108875200. Its totient is φ = 68584320.

The previous prime is 86687401. The next prime is 86687431. The reversal of 86687419 is 91478668.

It is not a de Polignac number, because 86687419 - 2⁵ = 86687387 is a prime.

It is a super-2 number, since 2×86687419² = 15029417225763122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (86687449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (6804700).

Almost surely, 2^86687419 is an apocalyptic number.

86687419 is a deficient number, since it is larger than the sum of its proper divisors (22187781).

86687419 is a wasteful number, since it uses less digits than its factorization.

86687419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19475 (or 19461 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 86687419 is about 9310.6078748920. The cubic root of 86687419 is about 442.5734505202.

The spelling of 86687419 in words is "eighty-six million, six hundred eighty-seven thousand, four hundred nineteen".