83607440813 has 8 divisors (see below), whose sum is σ = 90066104856. Its totient is φ = 77152680000.

The previous prime is 83607440797. The next prime is 83607440821. The reversal of 83607440813 is 31804470638.

It can be written as a sum of positive squares in 4 ways, for example, as 1584199204 + 82023241609 = 39802^2 + 286397^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 83607440813 - 2⁴ = 83607440797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83607440843) 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, 931238 + ... + 1017063.

It is an arithmetic number, because the mean of its divisors is an integer number (11258263107).

Almost surely, 2^83607440813 is an apocalyptic number.

It is an amenable number.

83607440813 is a deficient number, since it is larger than the sum of its proper divisors (6458664043).

83607440813 is a wasteful number, since it uses less digits than its factorization.

83607440813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951615.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 83607440813 in words is "eighty-three billion, six hundred seven million, four hundred forty thousand, eight hundred thirteen".