48657644857 has 8 divisors (see below), whose sum is σ = 50714892800. Its totient is φ = 46630874880.

The previous prime is 48657644839. The next prime is 48657644869. The reversal of 48657644857 is 75844675684.

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 48657644857 - 2³⁵ = 14297906489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48657644887) 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 7 ways as a sum of consecutive naturals, for example, 7616232 + ... + 7622617.

It is an arithmetic number, because the mean of its divisors is an integer number (6339361600).

Almost surely, 2^48657644857 is an apocalyptic number.

It is an amenable number.

48657644857 is a deficient number, since it is larger than the sum of its proper divisors (2057247943).

48657644857 is a wasteful number, since it uses less digits than its factorization.

48657644857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15238983.

The product of its digits is 180633600, while the sum is 64.

The spelling of 48657644857 in words is "forty-eight billion, six hundred fifty-seven million, six hundred forty-four thousand, eight hundred fifty-seven".