5001888721867 has 4 divisors (see below), whose sum is σ = 5022643447096. Its totient is φ = 4981133996640.

The previous prime is 5001888721849. The next prime is 5001888721877. The reversal of 5001888721867 is 7681278881005.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5001888721867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001888721877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10377362253 + ... + 10377362734.

It is an arithmetic number, because the mean of its divisors is an integer number (1255660861774).

Almost surely, 2^{5001888721867} is an apocalyptic number.

5001888721867 is a deficient number, since it is larger than the sum of its proper divisors (20754725229).

5001888721867 is a wasteful number, since it uses less digits than its factorization.

5001888721867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20754725228.

The product of its (nonzero) digits is 12042240, while the sum is 61.

The spelling of 5001888721867 in words is "five trillion, one billion, eight hundred eighty-eight million, seven hundred twenty-one thousand, eight hundred sixty-seven".