945087685 has 4 divisors (see below), whose sum is σ = 1134105228. Its totient is φ = 756070144.

The previous prime is 945087667. The next prime is 945087691. The reversal of 945087685 is 586780549.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 244797316 + 700290369 = 15646^2 + 26463^2 .

It is a cyclic number.

It is not a de Polignac number, because 945087685 - 2⁷ = 945087557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94508764 + ... + 94508773.

It is an arithmetic number, because the mean of its divisors is an integer number (283526307).

Almost surely, 2^945087685 is an apocalyptic number.

It is an amenable number.

945087685 is a deficient number, since it is larger than the sum of its proper divisors (189017543).

945087685 is a wasteful number, since it uses less digits than its factorization.

945087685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189017542.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 945087685 is about 30742.2784614283. The cubic root of 945087685 is about 981.3502438056.

The spelling of 945087685 in words is "nine hundred forty-five million, eighty-seven thousand, six hundred eighty-five".