86029919 has 4 divisors (see below), whose sum is σ = 87241680. Its totient is φ = 84818160.

The previous prime is 86029907. The next prime is 86029939. The reversal of 86029919 is 91992068.

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 86029919 - 2⁴ = 86029903 is a prime.

It is a super-2 number, since 2×86029919² = 14802293926293122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86029919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86029939) 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, 605774 + ... + 605915.

It is an arithmetic number, because the mean of its divisors is an integer number (21810420).

Almost surely, 2^86029919 is an apocalyptic number.

86029919 is a deficient number, since it is larger than the sum of its proper divisors (1211761).

86029919 is a wasteful number, since it uses less digits than its factorization.

86029919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211760.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 86029919 is about 9275.2314795912. The cubic root of 86029919 is about 441.4516773693.

The spelling of 86029919 in words is "eighty-six million, twenty-nine thousand, nine hundred nineteen".