87730104 has 128 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 21987840.

The previous prime is 87730103. The next prime is 87730151. The reversal of 87730104 is 40103778.

It is a happy number.

It is a super-2 number, since 2×87730104² = 15393142295701632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87730103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52774 + ... + 54410.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^87730104 is an apocalyptic number.

87730104 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87730104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141523200).

87730104 is an abundant number, since it is smaller than the sum of its proper divisors (195316296).

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

87730104 is a wasteful number, since it uses less digits than its factorization.

87730104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 87730104 is about 9366.4349674783. The cubic root of 87730104 is about 444.3408226388.

The spelling of 87730104 in words is "eighty-seven million, seven hundred thirty thousand, one hundred four".