84105707 has 6 divisors (see below), whose sum is σ = 97837308. Its totient is φ = 72090564.

The previous prime is 84105689. The next prime is 84105731. The reversal of 84105707 is 70750148.

It is not a de Polignac number, because 84105707 - 2¹⁶ = 84040171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84105737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 858173 + ... + 858270.

It is an arithmetic number, because the mean of its divisors is an integer number (16306218).

Almost surely, 2^84105707 is an apocalyptic number.

84105707 is a deficient number, since it is larger than the sum of its proper divisors (13731601).

84105707 is a wasteful number, since it uses less digits than its factorization.

84105707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716457 (or 1716450 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 84105707 is about 9170.9163664271. The cubic root of 84105707 is about 438.1355456445.

The spelling of 84105707 in words is "eighty-four million, one hundred five thousand, seven hundred seven".