87044700 has 72 divisors (see below), whose sum is σ = 265121920. Its totient is φ = 21988800.

The previous prime is 87044663. The next prime is 87044701. The reversal of 87044700 is 744078.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87044701) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1936 + ... + 13335.

Almost surely, 2^87044700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87044700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132560960).

87044700 is an abundant number, since it is smaller than the sum of its proper divisors (178077220).

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

87044700 is a wasteful number, since it uses less digits than its factorization.

87044700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307 (or 15300 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 87044700 is about 9329.7749168991. The cubic root of 87044700 is about 443.1806372331.

Adding to 87044700 its reverse (744078), we get a palindrome (87788778).

The spelling of 87044700 in words is "eighty-seven million, forty-four thousand, seven hundred".