47869021851 has 8 divisors (see below), whose sum is σ = 72943271424. Its totient is φ = 27353726760.

The previous prime is 47869021813. The next prime is 47869021853. The reversal of 47869021851 is 15812096874.

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

It is not a de Polignac number, because 47869021851 - 2⁷ = 47869021723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47869021794 and 47869021803.

It is not an unprimeable number, because it can be changed into a prime (47869021853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139738595 + ... + 1139738636.

It is an arithmetic number, because the mean of its divisors is an integer number (9117908928).

Almost surely, 2^47869021851 is an apocalyptic number.

47869021851 is a deficient number, since it is larger than the sum of its proper divisors (25074249573).

47869021851 is a wasteful number, since it uses less digits than its factorization.

47869021851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279477241.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 47869021851 in words is "forty-seven billion, eight hundred sixty-nine million, twenty-one thousand, eight hundred fifty-one".