47897511024 has 160 divisors (see below), whose sum is σ = 137089440000. Its totient is φ = 14288762880.

The previous prime is 47897511007. The next prime is 47897511029. The reversal of 47897511024 is 42011579874.

It is a Cunningham number, because it is equal to 218855²-1.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47897511029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31952227 + ... + 31953725.

It is an arithmetic number, because the mean of its divisors is an integer number (856809000).

Almost surely, 2^47897511024 is an apocalyptic number.

47897511024 is a gapful number since it is divisible by the number (44) 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 47897511024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68544720000).

47897511024 is an abundant number, since it is smaller than the sum of its proper divisors (89191928976).

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

47897511024 is a wasteful number, since it uses less digits than its factorization.

47897511024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 47897511024 in words is "forty-seven billion, eight hundred ninety-seven million, five hundred eleven thousand, twenty-four".