87411786 has 96 divisors (see below), whose sum is σ = 224570880. Its totient is φ = 22428000.

The previous prime is 87411767. The next prime is 87411811. The reversal of 87411786 is 68711478.

It is a happy number.

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

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 47 ways as a sum of consecutive naturals, for example, 488245 + ... + 488423.

It is an arithmetic number, because the mean of its divisors is an integer number (2339280).

Almost surely, 2^87411786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87411786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112285440).

87411786 is an abundant number, since it is smaller than the sum of its proper divisors (137159094).

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

87411786 is a wasteful number, since it uses less digits than its factorization.

87411786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 353 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The square root of 87411786 is about 9349.4270412684. The cubic root of 87411786 is about 443.8027591572.

The spelling of 87411786 in words is "eighty-seven million, four hundred eleven thousand, seven hundred eighty-six".