47405702587 has 4 divisors (see below), whose sum is σ = 47406300760. Its totient is φ = 47405104416.

The previous prime is 47405702549. The next prime is 47405702593. The reversal of 47405702587 is 78520750474.

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

It is a cyclic number.

It is not a de Polignac number, because 47405702587 - 2¹⁹ = 47405178299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47405702587.

It is not an unprimeable number, because it can be changed into a prime (47405708587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158037 + ... + 346102.

It is an arithmetic number, because the mean of its divisors is an integer number (11851575190).

Almost surely, 2^47405702587 is an apocalyptic number.

47405702587 is a deficient number, since it is larger than the sum of its proper divisors (598173).

47405702587 is an equidigital number, since it uses as much as digits as its factorization.

47405702587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598172.

The product of its (nonzero) digits is 2195200, while the sum is 49.

The spelling of 47405702587 in words is "forty-seven billion, four hundred five million, seven hundred two thousand, five hundred eighty-seven".