87207725 has 36 divisors (see below), whose sum is σ = 120325632. Its totient is φ = 62647200.

The previous prime is 87207721. The next prime is 87207767. The reversal of 87207725 is 52770278.

It is not a de Polignac number, because 87207725 - 2² = 87207721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87207721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 384062 + ... + 384288.

Almost surely, 2^87207725 is an apocalyptic number.

It is an amenable number.

87207725 is a deficient number, since it is larger than the sum of its proper divisors (33117907).

87207725 is a wasteful number, since it uses less digits than its factorization.

87207725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 38.

The square root of 87207725 is about 9338.5076430873. The cubic root of 87207725 is about 443.4571406280.

The spelling of 87207725 in words is "eighty-seven million, two hundred seven thousand, seven hundred twenty-five".