86118428 has 24 divisors (see below), whose sum is σ = 167514480. Its totient is φ = 38405120.

The previous prime is 86118421. The next prime is 86118433. The reversal of 86118428 is 82481168.

It is a junction number, because it is equal to n+sod(n) for n = 86118391 and 86118400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86118421) 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, 16133 + ... + 20796.

It is an arithmetic number, because the mean of its divisors is an integer number (6979770).

Almost surely, 2^86118428 is an apocalyptic number.

It is an amenable number.

86118428 is a deficient number, since it is larger than the sum of its proper divisors (81396052).

86118428 is a wasteful number, since it uses less digits than its factorization.

86118428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36997 (or 36995 counting only the distinct ones).

The product of its digits is 24576, while the sum is 38.

The square root of 86118428 is about 9280.0015086206. The cubic root of 86118428 is about 441.6030164041.

The spelling of 86118428 in words is "eighty-six million, one hundred eighteen thousand, four hundred twenty-eight".