47822751864 has 96 divisors (see below), whose sum is σ = 134993040000. Its totient is φ = 15860683872.

The previous prime is 47822751853. The next prime is 47822751871. The reversal of 47822751864 is 46815722874.

47822751864 is a `hidden beast` number, since 47 + 8 + 2 + 27 + 518 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 47822751864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325047 + ... + 448665.

It is an arithmetic number, because the mean of its divisors is an integer number (1406177500).

Almost surely, 2^47822751864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47822751864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67496520000).

47822751864 is an abundant number, since it is smaller than the sum of its proper divisors (87170288136).

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

47822751864 is a wasteful number, since it uses less digits than its factorization.

47822751864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123839 (or 123823 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 47822751864 in words is "forty-seven billion, eight hundred twenty-two million, seven hundred fifty-one thousand, eight hundred sixty-four".