47397871850 has 24 divisors (see below), whose sum is σ = 100754334048. Its totient is φ = 16250698800.

The previous prime is 47397871799. The next prime is 47397871877. The reversal of 47397871850 is 5817879374.

It is a self number, because there is not a number n which added to its sum of digits gives 47397871850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67710896 + ... + 67711595.

It is an arithmetic number, because the mean of its divisors is an integer number (4198097252).

Almost surely, 2^47397871850 is an apocalyptic number.

47397871850 is an abundant number, since it is smaller than the sum of its proper divisors (53356462198).

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

47397871850 is a wasteful number, since it uses less digits than its factorization.

47397871850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135422510 (or 135422505 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 47397871850 in words is "forty-seven billion, three hundred ninety-seven million, eight hundred seventy-one thousand, eight hundred fifty".