87503645 has 8 divisors (see below), whose sum is σ = 110531040. Its totient is φ = 66318480.

The previous prime is 87503629. The next prime is 87503651. The reversal of 87503645 is 54630578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87503645 - 2⁴ = 87503629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87503599 and 87503608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460451 + ... + 460640.

It is an arithmetic number, because the mean of its divisors is an integer number (13816380).

Almost surely, 2^87503645 is an apocalyptic number.

It is an amenable number.

87503645 is a deficient number, since it is larger than the sum of its proper divisors (23027395).

87503645 is a wasteful number, since it uses less digits than its factorization.

87503645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921115.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 87503645 is about 9354.3382983512. The cubic root of 87503645 is about 443.9581653763.

The spelling of 87503645 in words is "eighty-seven million, five hundred three thousand, six hundred forty-five".