84258660723 has 4 divisors (see below), whose sum is σ = 112344880968. Its totient is φ = 56172440480.

The previous prime is 84258660637. The next prime is 84258660751. The reversal of 84258660723 is 32706685248.

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 84258660723 - 2⁸ = 84258660467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84258660823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14043110118 + ... + 14043110123.

It is an arithmetic number, because the mean of its divisors is an integer number (28086220242).

Almost surely, 2^84258660723 is an apocalyptic number.

84258660723 is a deficient number, since it is larger than the sum of its proper divisors (28086220245).

84258660723 is a wasteful number, since it uses less digits than its factorization.

84258660723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28086220244.

The product of its (nonzero) digits is 3870720, while the sum is 51.

It can be divided in two parts, 842586 and 60723, that added together give a palindrome (903309).

The spelling of 84258660723 in words is "eighty-four billion, two hundred fifty-eight million, six hundred sixty thousand, seven hundred twenty-three".