96722671813 has 4 divisors (see below), whose sum is σ = 96725015820. Its totient is φ = 96720327808.

The previous prime is 96722671781. The next prime is 96722671817. The reversal of 96722671813 is 31817622769.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31817622769 = 23 ⋅1383374903.

It can be written as a sum of positive squares in 2 ways, for example, as 8050934529 + 88671737284 = 89727^2 + 297778^2 .

It is a cyclic number.

It is not a de Polignac number, because 96722671813 - 2⁵ = 96722671781 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 (96722671817) 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, 1108978 + ... + 1193011.

It is an arithmetic number, because the mean of its divisors is an integer number (24181253955).

Almost surely, 2^96722671813 is an apocalyptic number.

It is an amenable number.

96722671813 is a deficient number, since it is larger than the sum of its proper divisors (2344007).

96722671813 is a wasteful number, since it uses less digits than its factorization.

96722671813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344006.

The product of its digits is 1524096, while the sum is 52.

The spelling of 96722671813 in words is "ninety-six billion, seven hundred twenty-two million, six hundred seventy-one thousand, eight hundred thirteen".