86431169746 has 16 divisors (see below), whose sum is σ = 136479672000. Its totient is φ = 40938259248.

The previous prime is 86431169731. The next prime is 86431169761. The reversal of 86431169746 is 64796113468.

It is an interprime number because it is at equal distance from previous prime (86431169731) and next prime (86431169761).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544680 + ... + 685228.

It is an arithmetic number, because the mean of its divisors is an integer number (8529979500).

Almost surely, 2^86431169746 is an apocalyptic number.

86431169746 is a deficient number, since it is larger than the sum of its proper divisors (50048502254).

86431169746 is a wasteful number, since it uses less digits than its factorization.

86431169746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156753.

The product of its digits is 5225472, while the sum is 55.

The spelling of 86431169746 in words is "eighty-six billion, four hundred thirty-one million, one hundred sixty-nine thousand, seven hundred forty-six".