86269971031 has 4 divisors (see below), whose sum is σ = 86721646464. Its totient is φ = 85818295600.

The previous prime is 86269970999. The next prime is 86269971089. The reversal of 86269971031 is 13017996268.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86269971031 - 2⁵ = 86269970999 is a prime.

It is a super-2 number, since 2×86269971031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86269971031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86269971731) 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 3 ways as a sum of consecutive naturals, for example, 225837430 + ... + 225837811.

It is an arithmetic number, because the mean of its divisors is an integer number (21680411616).

Almost surely, 2^86269971031 is an apocalyptic number.

86269971031 is a deficient number, since it is larger than the sum of its proper divisors (451675433).

86269971031 is a wasteful number, since it uses less digits than its factorization.

86269971031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451675432.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 86269971031 in words is "eighty-six billion, two hundred sixty-nine million, nine hundred seventy-one thousand, thirty-one".