86181630837 has 8 divisors (see below), whose sum is σ = 116093468736. Its totient is φ = 56862106752.

The previous prime is 86181630803. The next prime is 86181630841. The reversal of 86181630837 is 73803618168.

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

It is a de Polignac number, because none of the positive numbers 2^k-86181630837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86181630837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86181630937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148078113 + ... + 148078694.

It is an arithmetic number, because the mean of its divisors is an integer number (14511683592).

Almost surely, 2^86181630837 is an apocalyptic number.

It is an amenable number.

86181630837 is a deficient number, since it is larger than the sum of its proper divisors (29911837899).

86181630837 is a wasteful number, since it uses less digits than its factorization.

86181630837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296156907.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 86181630837 in words is "eighty-six billion, one hundred eighty-one million, six hundred thirty thousand, eight hundred thirty-seven".