35857047 has 24 divisors (see below), whose sum is σ = 51078384. Its totient is φ = 22369536.

The previous prime is 35857039. The next prime is 35857057. The reversal of 35857047 is 74075853.

It is not a de Polignac number, because 35857047 - 2³ = 35857039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 35856996 and 35857014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35857037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122233 + ... + 122525.

It is an arithmetic number, because the mean of its divisors is an integer number (2128266).

Almost surely, 2^35857047 is an apocalyptic number.

35857047 is a deficient number, since it is larger than the sum of its proper divisors (15221337).

35857047 is a wasteful number, since it uses less digits than its factorization.

35857047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 35857047 is about 5988.0754003269. The cubic root of 35857047 is about 329.7550891741.

The spelling of 35857047 in words is "thirty-five million, eight hundred fifty-seven thousand, forty-seven".