86704470 has 48 divisors (see below), whose sum is σ = 225931680. Its totient is φ = 23069952.

The previous prime is 86704459. The next prime is 86704477. The reversal of 86704470 is 7440768.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86704477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57486 + ... + 58974.

It is an arithmetic number, because the mean of its divisors is an integer number (4706910).

Almost surely, 2^86704470 is an apocalyptic number.

86704470 is an abundant number, since it is smaller than the sum of its proper divisors (139227210).

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

86704470 is a wasteful number, since it uses less digits than its factorization.

86704470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 86704470 is about 9311.5235058502. The cubic root of 86704470 is about 442.6024659770.

The spelling of 86704470 in words is "eighty-six million, seven hundred four thousand, four hundred seventy".