47878143353502 has 192 divisors, whose sum is σ = 128055107409408. Its totient is φ = 11777414880000.

The previous prime is 47878143353501. The next prime is 47878143353507. The reversal of 47878143353502 is 20535334187874.

It is a super-2 number, since 2×47878143353502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878143353501) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4326052 + ... + 10699112.

It is an arithmetic number, because the mean of its divisors is an integer number (666953684424).

Almost surely, 2^{47878143353502} is an apocalyptic number.

47878143353502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47878143353502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64027553704704).

47878143353502 is an abundant number, since it is smaller than the sum of its proper divisors (80176964055906).

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

47878143353502 is a wasteful number, since it uses less digits than its factorization.

47878143353502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373215 (or 6373208 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 60.

The spelling of 47878143353502 in words is "forty-seven trillion, eight hundred seventy-eight billion, one hundred forty-three million, three hundred fifty-three thousand, five hundred two".