87143600 has 30 divisors (see below), whose sum is σ = 209363460. Its totient is φ = 34857280.

The previous prime is 87143599. The next prime is 87143603. The reversal of 87143600 is 634178.

It is not an unprimeable number, because it can be changed into a prime (87143603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108530 + ... + 109329.

It is an arithmetic number, because the mean of its divisors is an integer number (6978782).

Almost surely, 2^87143600 is an apocalyptic number.

87143600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87143600 is an abundant number, since it is smaller than the sum of its proper divisors (122219860).

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

87143600 is a wasteful number, since it uses less digits than its factorization.

87143600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217877 (or 217866 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 87143600 is about 9335.0736472724. The cubic root of 87143600 is about 443.3484206648.

Adding to 87143600 its reverse (634178), we get a palindrome (87777778).

The spelling of 87143600 in words is "eighty-seven million, one hundred forty-three thousand, six hundred".