84357452747 has 4 divisors (see below), whose sum is σ = 84408180480. Its totient is φ = 84306725016.

The previous prime is 84357452723. The next prime is 84357452759. The reversal of 84357452747 is 74725475348.

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 84357452747 - 2¹⁰ = 84357451723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84357452692 and 84357452701.

It is not an unprimeable number, because it can be changed into a prime (86357452747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25361372 + ... + 25364697.

It is an arithmetic number, because the mean of its divisors is an integer number (21102045120).

Almost surely, 2^84357452747 is an apocalyptic number.

84357452747 is a deficient number, since it is larger than the sum of its proper divisors (50727733).

84357452747 is a wasteful number, since it uses less digits than its factorization.

84357452747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50727732.

The product of its digits is 26342400, while the sum is 56.

The spelling of 84357452747 in words is "eighty-four billion, three hundred fifty-seven million, four hundred fifty-two thousand, seven hundred forty-seven".