86263728 has 20 divisors (see below), whose sum is σ = 222848088. Its totient is φ = 28754560.

The previous prime is 86263711. The next prime is 86263741. The reversal of 86263728 is 82736268.

It is a self number, because there is not a number n which added to its sum of digits gives 86263728.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898533 + ... + 898628.

Almost surely, 2^86263728 is an apocalyptic number.

It is an amenable number.

86263728 is an abundant number, since it is smaller than the sum of its proper divisors (136584360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86263728 is a wasteful number, since it uses less digits than its factorization.

86263728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797172 (or 1797166 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 86263728 is about 9287.8268717715. The cubic root of 86263728 is about 441.8512360824.

The spelling of 86263728 in words is "eighty-six million, two hundred sixty-three thousand, seven hundred twenty-eight".