47985492534 has 96 divisors (see below), whose sum is σ = 115580722176. Its totient is φ = 13228770240.

The previous prime is 47985492523. The next prime is 47985492539. The reversal of 47985492534 is 43529458974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47985492539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3154972 + ... + 3170144.

It is an arithmetic number, because the mean of its divisors is an integer number (1203965856).

Almost surely, 2^47985492534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47985492534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57790361088).

47985492534 is an abundant number, since it is smaller than the sum of its proper divisors (67595229642).

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

47985492534 is a wasteful number, since it uses less digits than its factorization.

47985492534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570 (or 15563 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 60.

The spelling of 47985492534 in words is "forty-seven billion, nine hundred eighty-five million, four hundred ninety-two thousand, five hundred thirty-four".