84907543 has 12 divisors (see below), whose sum is σ = 101957952. Its totient is φ = 70428960.

The previous prime is 84907483. The next prime is 84907553. The reversal of 84907543 is 34570948.

It is not a de Polignac number, because 84907543 - 2²¹ = 82810391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84907496 and 84907505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84907553) 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, 26430 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (8496496).

Almost surely, 2^84907543 is an apocalyptic number.

84907543 is a deficient number, since it is larger than the sum of its proper divisors (17050409).

84907543 is a wasteful number, since it uses less digits than its factorization.

84907543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55942 (or 55935 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 84907543 is about 9214.5289081971. The cubic root of 84907543 is about 439.5234906810.

The spelling of 84907543 in words is "eighty-four million, nine hundred seven thousand, five hundred forty-three".