7489889847 has 12 divisors (see below), whose sum is σ = 11802250824. Its totient is φ = 4539327120.

The previous prime is 7489889791. The next prime is 7489889861.

7489889847 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7489889847 - 2⁶ = 7489889783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489889887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37827628 + ... + 37827825.

It is an arithmetic number, because the mean of its divisors is an integer number (983520902).

Almost surely, 2^7489889847 is an apocalyptic number.

7489889847 is a deficient number, since it is larger than the sum of its proper divisors (4312360977).

7489889847 is a wasteful number, since it uses less digits than its factorization.

7489889847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75655470 (or 75655467 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The square root of 7489889847 is about 86544.1496982898. The cubic root of 7489889847 is about 1956.5538714955.

The spelling of 7489889847 in words is "seven billion, four hundred eighty-nine million, eight hundred eighty-nine thousand, eight hundred forty-seven".