87070704 has 80 divisors (see below), whose sum is σ = 258078720. Its totient is φ = 24779520.

The previous prime is 87070693. The next prime is 87070717. The reversal of 87070704 is 40707078.

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 15 ways as a sum of consecutive naturals, for example, 160674 + ... + 161214.

It is an arithmetic number, because the mean of its divisors is an integer number (3225984).

Almost surely, 2^87070704 is an apocalyptic number.

87070704 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 87070704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129039360).

87070704 is an abundant number, since it is smaller than the sum of its proper divisors (171008016).

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

87070704 is a wasteful number, since it uses less digits than its factorization.

87070704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 87070704 is about 9331.1684155844. The cubic root of 87070704 is about 443.2247652189.

The spelling of 87070704 in words is "eighty-seven million, seventy thousand, seven hundred four".