87932645 has 16 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 69000960.

The previous prime is 87932639. The next prime is 87932693. The reversal of 87932645 is 54623978.

It is not a de Polignac number, because 87932645 - 2¹⁰ = 87931621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87932596 and 87932605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57440 + ... + 58950.

It is an arithmetic number, because the mean of its divisors is an integer number (6722352).

Almost surely, 2^87932645 is an apocalyptic number.

It is an amenable number.

87932645 is a deficient number, since it is larger than the sum of its proper divisors (19624987).

87932645 is a wasteful number, since it uses less digits than its factorization.

87932645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732.

The product of its digits is 362880, while the sum is 44.

The square root of 87932645 is about 9377.2407988704. The cubic root of 87932645 is about 444.6825071948.

The spelling of 87932645 in words is "eighty-seven million, nine hundred thirty-two thousand, six hundred forty-five".