5785157447 has 4 divisors (see below), whose sum is σ = 5790282720. Its totient is φ = 5780032176.

The previous prime is 5785157401. The next prime is 5785157471. The reversal of 5785157447 is 7447515875.

It is a happy number.

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 5785157447 - 2²² = 5780963143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5785157047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560943 + ... + 2563200.

It is an arithmetic number, because the mean of its divisors is an integer number (1447570680).

Almost surely, 2^5785157447 is an apocalyptic number.

5785157447 is a deficient number, since it is larger than the sum of its proper divisors (5125273).

5785157447 is a wasteful number, since it uses less digits than its factorization.

5785157447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125272.

The product of its digits is 5488000, while the sum is 53.

The square root of 5785157447 is about 76060.2225016467. Note that the first 3 decimals coincide. The cubic root of 5785157447 is about 1795.1678468547.

The spelling of 5785157447 in words is "five billion, seven hundred eighty-five million, one hundred fifty-seven thousand, four hundred forty-seven".