87673236 has 96 divisors (see below), whose sum is σ = 243855360. Its totient is φ = 23996544.

The previous prime is 87673213. The next prime is 87673247. The reversal of 87673236 is 63237678.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209035 + ... + 209453.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^87673236 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 87673236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121927680).

87673236 is an abundant number, since it is smaller than the sum of its proper divisors (156182124).

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

87673236 is a wasteful number, since it uses less digits than its factorization.

87673236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 531 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 87673236 is about 9363.3987419099. The cubic root of 87673236 is about 444.2447923726.

The spelling of 87673236 in words is "eighty-seven million, six hundred seventy-three thousand, two hundred thirty-six".