84974775 has 12 divisors (see below), whose sum is σ = 140491752. Its totient is φ = 45319840.

The previous prime is 84974761. The next prime is 84974779. The reversal of 84974775 is 57747948.

It is not a de Polignac number, because 84974775 - 2⁶ = 84974711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84974779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 566424 + ... + 566573.

It is an arithmetic number, because the mean of its divisors is an integer number (11707646).

Almost surely, 2^84974775 is an apocalyptic number.

84974775 is a deficient number, since it is larger than the sum of its proper divisors (55516977).

84974775 is a wasteful number, since it uses less digits than its factorization.

84974775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133010 (or 1133005 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 84974775 is about 9218.1763380834. The cubic root of 84974775 is about 439.6394687838.

The spelling of 84974775 in words is "eighty-four million, nine hundred seventy-four thousand, seven hundred seventy-five".