47870091851 has 8 divisors (see below), whose sum is σ = 48733239600. Its totient is φ = 47008670560.

The previous prime is 47870091827. The next prime is 47870091877. The reversal of 47870091851 is 15819007874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47870091851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47870091851.

It is not an unprimeable number, because it can be changed into a prime (47870091881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375596 + ... + 486633.

It is an arithmetic number, because the mean of its divisors is an integer number (6091654950).

Almost surely, 2^47870091851 is an apocalyptic number.

47870091851 is a deficient number, since it is larger than the sum of its proper divisors (863147749).

47870091851 is an equidigital number, since it uses as much as digits as its factorization.

47870091851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863229.

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 47870091851 in words is "forty-seven billion, eight hundred seventy million, ninety-one thousand, eight hundred fifty-one".