84660613 has 16 divisors (see below), whose sum is σ = 89026560. Its totient is φ = 80438400.

The previous prime is 84660607. The next prime is 84660623. The reversal of 84660613 is 31606648.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84660613 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 (84660623) 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, 369583 + ... + 369811.

It is an arithmetic number, because the mean of its divisors is an integer number (5564160).

Almost surely, 2^84660613 is an apocalyptic number.

It is an amenable number.

84660613 is a deficient number, since it is larger than the sum of its proper divisors (4365947).

84660613 is a wasteful number, since it uses less digits than its factorization.

84660613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 84660613 is about 9201.1202035404. The cubic root of 84660613 is about 439.0969996481.

The spelling of 84660613 in words is "eighty-four million, six hundred sixty thousand, six hundred thirteen".