87845747 has 8 divisors (see below), whose sum is σ = 96173760. Its totient is φ = 79574760.

The previous prime is 87845729. The next prime is 87845761. The reversal of 87845747 is 74754878.

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

It is a cyclic number.

It is not a de Polignac number, because 87845747 - 2¹⁰ = 87844723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87845695 and 87845704.

It is not an unprimeable number, because it can be changed into a prime (87845707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10997 + ... + 17222.

It is an arithmetic number, because the mean of its divisors is an integer number (12021720).

Almost surely, 2^87845747 is an apocalyptic number.

87845747 is a deficient number, since it is larger than the sum of its proper divisors (8328013).

87845747 is a wasteful number, since it uses less digits than its factorization.

87845747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28513.

The product of its digits is 1756160, while the sum is 50.

The square root of 87845747 is about 9372.6062010521. The cubic root of 87845747 is about 444.5359755071.

The spelling of 87845747 in words is "eighty-seven million, eight hundred forty-five thousand, seven hundred forty-seven".