86681757 has 8 divisors (see below), whose sum is σ = 115953376. Its totient is φ = 57598992.

The previous prime is 86681747. The next prime is 86681801. The reversal of 86681757 is 75718668.

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

It is not a de Polignac number, because 86681757 - 2⁸ = 86681501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86681717) 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, 46138 + ... + 47979.

It is an arithmetic number, because the mean of its divisors is an integer number (14494172).

Almost surely, 2^86681757 is an apocalyptic number.

It is an amenable number.

86681757 is a deficient number, since it is larger than the sum of its proper divisors (29271619).

86681757 is a wasteful number, since it uses less digits than its factorization.

86681757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94427.

The product of its digits is 564480, while the sum is 48.

The square root of 86681757 is about 9310.3038081472. The cubic root of 86681757 is about 442.5638147297.

The spelling of 86681757 in words is "eighty-six million, six hundred eighty-one thousand, seven hundred fifty-seven".