87852644 has 24 divisors (see below), whose sum is σ = 168470400. Its totient is φ = 39754080.

The previous prime is 87852643. The next prime is 87852679. The reversal of 87852644 is 44625878.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 87852595 and 87852604.

It is not an unprimeable number, because it can be changed into a prime (87852643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5717 + ... + 14435.

It is an arithmetic number, because the mean of its divisors is an integer number (7019600).

Almost surely, 2^87852644 is an apocalyptic number.

It is an amenable number.

87852644 is a deficient number, since it is larger than the sum of its proper divisors (80617756).

87852644 is a wasteful number, since it uses less digits than its factorization.

87852644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963 (or 8961 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 87852644 is about 9372.9741277782. The cubic root of 87852644 is about 444.5476090978.

The spelling of 87852644 in words is "eighty-seven million, eight hundred fifty-two thousand, six hundred forty-four".