9857423654 has 16 divisors (see below), whose sum is σ = 16081193520. Its totient is φ = 4504533600.

The previous prime is 9857423621. The next prime is 9857423699. The reversal of 9857423654 is 4563247589.

It is a junction number, because it is equal to n+sod(n) for n = 9857423596 and 9857423605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1874264 + ... + 1879515.

It is an arithmetic number, because the mean of its divisors is an integer number (1005074595).

Almost surely, 2^9857423654 is an apocalyptic number.

9857423654 is a deficient number, since it is larger than the sum of its proper divisors (6223769866).

9857423654 is a wasteful number, since it uses less digits than its factorization.

9857423654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753895.

The product of its digits is 7257600, while the sum is 53.

The square root of 9857423654 is about 99284.5589908119. The cubic root of 9857423654 is about 2144.1465918265.

The spelling of 9857423654 in words is "nine billion, eight hundred fifty-seven million, four hundred twenty-three thousand, six hundred fifty-four".