84104487523 has 4 divisors (see below), whose sum is σ = 96119414320. Its totient is φ = 72089560728.

The previous prime is 84104487479. The next prime is 84104487539. The reversal of 84104487523 is 32578440148.

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 84104487523 - 2¹⁷ = 84104356451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84104487823) 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, 6007463388 + ... + 6007463401.

It is an arithmetic number, because the mean of its divisors is an integer number (24029853580).

Almost surely, 2^84104487523 is an apocalyptic number.

84104487523 is a deficient number, since it is larger than the sum of its proper divisors (12014926797).

84104487523 is a wasteful number, since it uses less digits than its factorization.

84104487523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014926796.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 84104487523 in words is "eighty-four billion, one hundred four million, four hundred eighty-seven thousand, five hundred twenty-three".