86761868 has 6 divisors (see below), whose sum is σ = 151833276. Its totient is φ = 43380932.

The previous prime is 86761867. The next prime is 86761877. The reversal of 86761868 is 86816768.

It is not an unprimeable number, because it can be changed into a prime (86761861) 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 as a sum of consecutive naturals, namely, 10845230 + ... + 10845237.

It is an arithmetic number, because the mean of its divisors is an integer number (25305546).

Almost surely, 2^86761868 is an apocalyptic number.

It is an amenable number.

86761868 is a deficient number, since it is larger than the sum of its proper divisors (65071408).

86761868 is a wasteful number, since it uses less digits than its factorization.

86761868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21690471 (or 21690469 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 86761868 is about 9314.6050909311. The cubic root of 86761868 is about 442.7001114329.

The spelling of 86761868 in words is "eighty-six million, seven hundred sixty-one thousand, eight hundred sixty-eight".