87750228 has 24 divisors (see below), whose sum is σ = 208222560. Its totient is φ = 28754080.

The previous prime is 87750217. The next prime is 87750239. The reversal of 87750228 is 82205778.

It is an interprime number because it is at equal distance from previous prime (87750217) and next prime (87750239).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 61263 + ... + 62678.

It is an arithmetic number, because the mean of its divisors is an integer number (8675940).

Almost surely, 2^87750228 is an apocalyptic number.

It is an amenable number.

87750228 is an abundant number, since it is smaller than the sum of its proper divisors (120472332).

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

87750228 is a wasteful number, since it uses less digits than its factorization.

87750228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124007 (or 124005 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87750228 is about 9367.5091673294. The cubic root of 87750228 is about 444.3747951321.

It can be divided in two parts, 87750 and 228, that added together give a palindrome (87978).

The spelling of 87750228 in words is "eighty-seven million, seven hundred fifty thousand, two hundred twenty-eight".