47857478592 has 448 divisors, whose sum is σ = 164497195008. Its totient is φ = 12015590400.

The previous prime is 47857478507. The next prime is 47857478593. The reversal of 47857478592 is 29587475874.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47857478593) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55454353 + ... + 55455215.

Almost surely, 2^47857478592 is an apocalyptic number.

47857478592 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47857478592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82248597504).

47857478592 is an abundant number, since it is smaller than the sum of its proper divisors (116639716416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47857478592 is a wasteful number, since it uses less digits than its factorization.

47857478592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 917 counting only the distinct ones).

The product of its digits is 158054400, while the sum is 66.

The spelling of 47857478592 in words is "forty-seven billion, eight hundred fifty-seven million, four hundred seventy-eight thousand, five hundred ninety-two".