84705438476 has 12 divisors (see below), whose sum is σ = 149091365472. Its totient is φ = 42107905488.

The previous prime is 84705438457. The next prime is 84705438509. The reversal of 84705438476 is 67483450748.

It is a super-2 number, since 2×84705438476² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 61202660 + ... + 61204043.

It is an arithmetic number, because the mean of its divisors is an integer number (12424280456).

Almost surely, 2^84705438476 is an apocalyptic number.

It is an amenable number.

84705438476 is a deficient number, since it is larger than the sum of its proper divisors (64385926996).

84705438476 is a wasteful number, since it uses less digits than its factorization.

84705438476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122406880 (or 122406878 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 56.

The spelling of 84705438476 in words is "eighty-four billion, seven hundred five million, four hundred thirty-eight thousand, four hundred seventy-six".