84885661 has 8 divisors (see below), whose sum is σ = 97631360. Its totient is φ = 72294768.

The previous prime is 84885643. The next prime is 84885667. The reversal of 84885661 is 16658848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84885661 - 2¹⁹ = 84361373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84885667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37521 + ... + 39718.

It is an arithmetic number, because the mean of its divisors is an integer number (12203920).

Almost surely, 2^84885661 is an apocalyptic number.

It is an amenable number.

84885661 is a deficient number, since it is larger than the sum of its proper divisors (12745699).

84885661 is a wasteful number, since it uses less digits than its factorization.

84885661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77403.

The product of its digits is 368640, while the sum is 46.

The square root of 84885661 is about 9213.3414676761. The cubic root of 84885661 is about 439.4857300808.

The spelling of 84885661 in words is "eighty-four million, eight hundred eighty-five thousand, six hundred sixty-one".