87103872 has 48 divisors (see below), whose sum is σ = 250653780. Its totient is φ = 29034240.

The previous prime is 87103867. The next prime is 87103879. The reversal of 87103872 is 27830178.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87103879) 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, 36654 + ... + 38957.

Almost surely, 2^87103872 is an apocalyptic number.

It is an amenable number.

87103872 is an abundant number, since it is smaller than the sum of its proper divisors (163549908).

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

87103872 is a wasteful number, since it uses less digits than its factorization.

87103872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75631 (or 75616 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 87103872 is about 9332.9455157522. The cubic root of 87103872 is about 443.2810375434.

The spelling of 87103872 in words is "eighty-seven million, one hundred three thousand, eight hundred seventy-two".