84830775 has 12 divisors (see below), whose sum is σ = 140253672. Its totient is φ = 45243040.

The previous prime is 84830773. The next prime is 84830789. The reversal of 84830775 is 57703848.

It is not a de Polignac number, because 84830775 - 2¹ = 84830773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84830773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565464 + ... + 565613.

It is an arithmetic number, because the mean of its divisors is an integer number (11687806).

Almost surely, 2^84830775 is an apocalyptic number.

84830775 is a deficient number, since it is larger than the sum of its proper divisors (55422897).

84830775 is a wasteful number, since it uses less digits than its factorization.

84830775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131090 (or 1131085 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 84830775 is about 9210.3623707214. The cubic root of 84830775 is about 439.3909876776.

The spelling of 84830775 in words is "eighty-four million, eight hundred thirty thousand, seven hundred seventy-five".