86742069 has 8 divisors (see below), whose sum is σ = 115701312. Its totient is φ = 57805440.

The previous prime is 86742067. The next prime is 86742083. The reversal of 86742069 is 96024768.

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

It is not a de Polignac number, because 86742069 - 2¹ = 86742067 is a prime.

It is a super-2 number, since 2×86742069² = 15048373068801522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86742069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86742067) 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, 8037 + ... + 15429.

It is an arithmetic number, because the mean of its divisors is an integer number (14462664).

Almost surely, 2^86742069 is an apocalyptic number.

It is an amenable number.

86742069 is a deficient number, since it is larger than the sum of its proper divisors (28959243).

86742069 is a wasteful number, since it uses less digits than its factorization.

86742069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 86742069 is about 9313.5422369794. The cubic root of 86742069 is about 442.6664342484. Note that the first 3 decimals are identical.

The spelling of 86742069 in words is "eighty-six million, seven hundred forty-two thousand, sixty-nine".