84253907 has 4 divisors (see below), whose sum is σ = 85511496. Its totient is φ = 82996320.

The previous prime is 84253901. The next prime is 84253919. The reversal of 84253907 is 70935248.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84253907 - 2⁶ = 84253843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84253901) 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 3 ways as a sum of consecutive naturals, for example, 628694 + ... + 628827.

It is an arithmetic number, because the mean of its divisors is an integer number (21377874).

Almost surely, 2^84253907 is an apocalyptic number.

84253907 is a deficient number, since it is larger than the sum of its proper divisors (1257589).

84253907 is a wasteful number, since it uses less digits than its factorization.

84253907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257588.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 84253907 is about 9178.9927007270. The cubic root of 84253907 is about 438.3927362263.

The spelling of 84253907 in words is "eighty-four million, two hundred fifty-three thousand, nine hundred seven".