84528087 has 24 divisors (see below), whose sum is σ = 132917616. Its totient is φ = 47634048.

The previous prime is 84528079. The next prime is 84528089. The reversal of 84528087 is 78082548.

It is not a de Polignac number, because 84528087 - 2³ = 84528079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84528089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6793 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (5538234).

Almost surely, 2^84528087 is an apocalyptic number.

84528087 is a deficient number, since it is larger than the sum of its proper divisors (48389529).

84528087 is a wasteful number, since it uses less digits than its factorization.

84528087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7967 (or 7960 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 84528087 is about 9193.9157598925. The cubic root of 84528087 is about 438.8677621573.

The spelling of 84528087 in words is "eighty-four million, five hundred twenty-eight thousand, eighty-seven".