87072825 has 48 divisors (see below), whose sum is σ = 171703296. Its totient is φ = 38068800.

The previous prime is 87072823. The next prime is 87072829. The reversal of 87072825 is 52827078.

It is not a de Polignac number, because 87072825 - 2¹ = 87072823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87072823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8470 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (3577152).

Almost surely, 2^87072825 is an apocalyptic number.

It is an amenable number.

87072825 is a deficient number, since it is larger than the sum of its proper divisors (84630471).

87072825 is a wasteful number, since it uses less digits than its factorization.

87072825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254 (or 7249 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87072825 is about 9331.2820662543. The cubic root of 87072825 is about 443.2283641030.

The spelling of 87072825 in words is "eighty-seven million, seventy-two thousand, eight hundred twenty-five".