47137320477408 has 288 divisors, whose sum is σ = 146499286348800. Its totient is φ = 13229807625216.

The previous prime is 47137320477389. The next prime is 47137320477439. The reversal of 47137320477408 is 80477402373174.

It is a happy number.

It is a super-2 number, since 2×47137320477408² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72886413 + ... + 73530291.

It is an arithmetic number, because the mean of its divisors is an integer number (508678077600).

Almost surely, 2^{47137320477408} is an apocalyptic number.

47137320477408 is a gapful number since it is divisible by the number (48) 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 47137320477408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73249643174400).

47137320477408 is an abundant number, since it is smaller than the sum of its proper divisors (99361965871392).

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

47137320477408 is a wasteful number, since it uses less digits than its factorization.

47137320477408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644182 (or 644167 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 57.

The spelling of 47137320477408 in words is "forty-seven trillion, one hundred thirty-seven billion, three hundred twenty million, four hundred seventy-seven thousand, four hundred eight".