28800086 has 16 divisors (see below), whose sum is σ = 51970560. Its totient is φ = 11693160.

The previous prime is 28800077. The next prime is 28800131. The reversal of 28800086 is 68000882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53870 + ... + 54401.

It is an arithmetic number, because the mean of its divisors is an integer number (3248160).

Almost surely, 2^28800086 is an apocalyptic number.

28800086 is a deficient number, since it is larger than the sum of its proper divisors (23170474).

28800086 is a wasteful number, since it uses less digits than its factorization.

28800086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108299.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 28800086 is about 5366.5711585704. The cubic root of 28800086 is about 306.5240780618.

It can be divided in two parts, 2 and 8800086, that added together give a palindrome (8800088).

The spelling of 28800086 in words is "twenty-eight million, eight hundred thousand, eighty-six".