86428043822931 has 8 divisors (see below), whose sum is σ = 115286617485264. Its totient is φ = 57594083021280.

The previous prime is 86428043822929. The next prime is 86428043822951. The reversal of 86428043822931 is 13922834082468.

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

It is not a de Polignac number, because 86428043822931 - 2¹ = 86428043822929 is a prime.

It is a super-2 number, since 2×86428043822931² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86428043822951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153206976 + ... + 6153221021.

It is an arithmetic number, because the mean of its divisors is an integer number (14410827185658).

Almost surely, 2^{86428043822931} is an apocalyptic number.

86428043822931 is a deficient number, since it is larger than the sum of its proper divisors (28858573662333).

86428043822931 is a wasteful number, since it uses less digits than its factorization.

86428043822931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12306430341.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 86428043822931 in words is "eighty-six trillion, four hundred twenty-eight billion, forty-three million, eight hundred twenty-two thousand, nine hundred thirty-one".