84771475 has 12 divisors (see below), whose sum is σ = 105524496. Its totient is φ = 67554080.

The previous prime is 84771461. The next prime is 84771493. The reversal of 84771475 is 57417748.

It is not a de Polignac number, because 84771475 - 2⁹ = 84770963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (8793708).

Almost surely, 2^84771475 is an apocalyptic number.

84771475 is a deficient number, since it is larger than the sum of its proper divisors (20753021).

84771475 is a wasteful number, since it uses less digits than its factorization.

84771475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166 (or 13161 counting only the distinct ones).

The product of its digits is 219520, while the sum is 43.

The square root of 84771475 is about 9207.1426077801. The cubic root of 84771475 is about 439.2885800341.

The spelling of 84771475 in words is "eighty-four million, seven hundred seventy-one thousand, four hundred seventy-five".