84710661 has 24 divisors (see below), whose sum is σ = 132187104. Its totient is φ = 48111840.

The previous prime is 84710657. The next prime is 84710687. The reversal of 84710661 is 16601748.

It is a happy number.

It is not a de Polignac number, because 84710661 - 2² = 84710657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84710641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23766 + ... + 27096.

It is an arithmetic number, because the mean of its divisors is an integer number (5507796).

Almost surely, 2^84710661 is an apocalyptic number.

It is an amenable number.

84710661 is a deficient number, since it is larger than the sum of its proper divisors (47476443).

84710661 is a wasteful number, since it uses less digits than its factorization.

84710661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 84710661 is about 9203.8394705688. The cubic root of 84710661 is about 439.1835081863.

The spelling of 84710661 in words is "eighty-four million, seven hundred ten thousand, six hundred sixty-one".