86775019 has 8 divisors (see below), whose sum is σ = 89215488. Its totient is φ = 84359400.

The previous prime is 86774951. The next prime is 86775023. The reversal of 86775019 is 91057768.

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

It is a cyclic number.

It is not a de Polignac number, because 86775019 - 2⁹ = 86774507 is a prime.

It is a super-2 number, since 2×86775019² = 15059807844900722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86775049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (11151936).

Almost surely, 2^86775019 is an apocalyptic number.

86775019 is a deficient number, since it is larger than the sum of its proper divisors (2440469).

86775019 is a wasteful number, since it uses less digits than its factorization.

86775019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 86775019 is about 9315.3109985657. The cubic root of 86775019 is about 442.7224778449.

The spelling of 86775019 in words is "eighty-six million, seven hundred seventy-five thousand, nineteen".