87470544 has 40 divisors (see below), whose sum is σ = 258247360. Its totient is φ = 24991488.

The previous prime is 87470533. The next prime is 87470549. The reversal of 87470544 is 44507478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87470549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 129829 + ... + 130500.

It is an arithmetic number, because the mean of its divisors is an integer number (6456184).

Almost surely, 2^87470544 is an apocalyptic number.

87470544 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87470544 is an abundant number, since it is smaller than the sum of its proper divisors (170776816).

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

87470544 is a wasteful number, since it uses less digits than its factorization.

87470544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260347 (or 260341 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 87470544 is about 9352.5688449752. The cubic root of 87470544 is about 443.9021779462.

The spelling of 87470544 in words is "eighty-seven million, four hundred seventy thousand, five hundred forty-four".