84872541 has 16 divisors (see below), whose sum is σ = 122040576. Its totient is φ = 52155456.

The previous prime is 84872539. The next prime is 84872581. The reversal of 84872541 is 14527848.

It is a happy number.

It is not a de Polignac number, because 84872541 - 2¹ = 84872539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 84872541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84872521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42031 + ... + 44003.

It is an arithmetic number, because the mean of its divisors is an integer number (7627536).

Almost surely, 2^84872541 is an apocalyptic number.

It is an amenable number.

84872541 is a deficient number, since it is larger than the sum of its proper divisors (37168035).

84872541 is a wasteful number, since it uses less digits than its factorization.

84872541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092.

The product of its digits is 71680, while the sum is 39.

The square root of 84872541 is about 9212.6294292129. The cubic root of 84872541 is about 439.4630864847.

The spelling of 84872541 in words is "eighty-four million, eight hundred seventy-two thousand, five hundred forty-one".