87873012 has 60 divisors (see below), whose sum is σ = 230655040. Its totient is φ = 29171664.

The previous prime is 87872999. The next prime is 87873053. The reversal of 87873012 is 21037878.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118539 + ... + 119277.

Almost surely, 2^87873012 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 87873012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115327520).

87873012 is an abundant number, since it is smaller than the sum of its proper divisors (142782028).

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

87873012 is a wasteful number, since it uses less digits than its factorization.

87873012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1111 counting only the distinct ones).

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

The square root of 87873012 is about 9374.0605929341. The cubic root of 87873012 is about 444.5819614923.

The spelling of 87873012 in words is "eighty-seven million, eight hundred seventy-three thousand, twelve".