86506353428 has 24 divisors (see below), whose sum is σ = 167238986880. Its totient is φ = 38823333120.

The previous prime is 86506353421. The next prime is 86506353431. The reversal of 86506353428 is 82435360568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86506353421) 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, 12439901 + ... + 12446852.

It is an arithmetic number, because the mean of its divisors is an integer number (6968291120).

Almost surely, 2^86506353428 is an apocalyptic number.

It is an amenable number.

86506353428 is a deficient number, since it is larger than the sum of its proper divisors (80732633452).

86506353428 is a wasteful number, since it uses less digits than its factorization.

86506353428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24886847 (or 24886845 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

It can be divided in two parts, 86506 and 353428, that added together give a palindrome (439934).

The spelling of 86506353428 in words is "eighty-six billion, five hundred six million, three hundred fifty-three thousand, four hundred twenty-eight".