84660733813 has 4 divisors (see below), whose sum is σ = 84837479040. Its totient is φ = 84483988588.

The previous prime is 84660733757. The next prime is 84660733831. The reversal of 84660733813 is 31833706648.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84660733813 - 2¹³ = 84660725621 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 (84660734813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88371895 + ... + 88372852.

It is an arithmetic number, because the mean of its divisors is an integer number (21209369760).

Almost surely, 2^84660733813 is an apocalyptic number.

It is an amenable number.

84660733813 is a deficient number, since it is larger than the sum of its proper divisors (176745227).

84660733813 is a wasteful number, since it uses less digits than its factorization.

84660733813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176745226.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 84660733813 in words is "eighty-four billion, six hundred sixty million, seven hundred thirty-three thousand, eight hundred thirteen".