86681495906 has 8 divisors (see below), whose sum is σ = 133046017104. Its totient is φ = 42332823540.

The previous prime is 86681495899. The next prime is 86681495917. The reversal of 86681495906 is 60959418668.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503962100 + ... + 503962271.

It is an arithmetic number, because the mean of its divisors is an integer number (16630752138).

Almost surely, 2^86681495906 is an apocalyptic number.

86681495906 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

86681495906 is a deficient number, since it is larger than the sum of its proper divisors (46364521198).

86681495906 is a wasteful number, since it uses less digits than its factorization.

86681495906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007924416.

The product of its (nonzero) digits is 22394880, while the sum is 62.

The spelling of 86681495906 in words is "eighty-six billion, six hundred eighty-one million, four hundred ninety-five thousand, nine hundred six".