4534978247 has 8 divisors (see below), whose sum is σ = 4572418032. Its totient is φ = 4497601600.

The previous prime is 4534978229. The next prime is 4534978249. The reversal of 4534978247 is 7428794354.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4534978247 - 2⁸ = 4534977991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4534978249) 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, 134297 + ... + 164637.

It is an arithmetic number, because the mean of its divisors is an integer number (571552254).

Almost surely, 2^4534978247 is an apocalyptic number.

4534978247 is a deficient number, since it is larger than the sum of its proper divisors (37439785).

4534978247 is a wasteful number, since it uses less digits than its factorization.

4534978247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31569.

The product of its digits is 6773760, while the sum is 53.

The square root of 4534978247 is about 67342.2471187293. The cubic root of 4534978247 is about 1655.2302046497.

The spelling of 4534978247 in words is "four billion, five hundred thirty-four million, nine hundred seventy-eight thousand, two hundred forty-seven".