86769999 has 18 divisors (see below), whose sum is σ = 127471968. Its totient is φ = 56876400.

The previous prime is 86769997. The next prime is 86770003. The reversal of 86769999 is 99996768.

It is not a de Polignac number, because 86769999 - 2¹ = 86769997 is a prime.

86769999 is a modest number, since divided by 9999 gives 8676 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86769997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 32194 + ... + 34784.

It is an arithmetic number, because the mean of its divisors is an integer number (7081776).

Almost surely, 2^86769999 is an apocalyptic number.

86769999 is a deficient number, since it is larger than the sum of its proper divisors (40701969).

86769999 is a wasteful number, since it uses less digits than its factorization.

86769999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2655 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 63.

The square root of 86769999 is about 9315.0415458011. The cubic root of 86769999 is about 442.7139404043.

The spelling of 86769999 in words is "eighty-six million, seven hundred sixty-nine thousand, nine hundred ninety-nine".