47216801387 has 4 divisors (see below), whose sum is σ = 53962058736. Its totient is φ = 40471544040.

The previous prime is 47216801311. The next prime is 47216801413. The reversal of 47216801387 is 78310861274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47216801387 - 2²⁴ = 47200024171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47216801887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372628664 + ... + 3372628677.

It is an arithmetic number, because the mean of its divisors is an integer number (13490514684).

Almost surely, 2^47216801387 is an apocalyptic number.

47216801387 is a deficient number, since it is larger than the sum of its proper divisors (6745257349).

47216801387 is an equidigital number, since it uses as much as digits as its factorization.

47216801387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745257348.

The product of its (nonzero) digits is 451584, while the sum is 47.

The spelling of 47216801387 in words is "forty-seven billion, two hundred sixteen million, eight hundred one thousand, three hundred eighty-seven".