86028831 has 32 divisors (see below), whose sum is σ = 146163200. Its totient is φ = 48988800.

The previous prime is 86028829. The next prime is 86028841. The reversal of 86028831 is 13882068.

It is not a de Polignac number, because 86028831 - 2¹ = 86028829 is a prime.

It is a super-2 number, since 2×86028831² = 14801919526453122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86028841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71031 + ... + 72231.

It is an arithmetic number, because the mean of its divisors is an integer number (4567600).

Almost surely, 2^86028831 is an apocalyptic number.

86028831 is a deficient number, since it is larger than the sum of its proper divisors (60134369).

86028831 is a wasteful number, since it uses less digits than its factorization.

86028831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 86028831 is about 9275.1728285785. The cubic root of 86028831 is about 441.4498163832.

The spelling of 86028831 in words is "eighty-six million, twenty-eight thousand, eight hundred thirty-one".