94799681 has 4 divisors (see below), whose sum is σ = 94934100. Its totient is φ = 94665264.

The previous prime is 94799671. The next prime is 94799737. The reversal of 94799681 is 18699749.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18699749 = 47 ⋅397867.

It can be written as a sum of positive squares in 2 ways, for example, as 59290000 + 35509681 = 7700^2 + 5959^2 .

It is a cyclic number.

It is not a de Polignac number, because 94799681 - 2²² = 90605377 is a prime.

It is a super-2 number, since 2×94799681² = 17973959035403522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94799651) 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, 66146 + ... + 67563.

It is an arithmetic number, because the mean of its divisors is an integer number (23733525).

Almost surely, 2^94799681 is an apocalyptic number.

It is an amenable number.

94799681 is a deficient number, since it is larger than the sum of its proper divisors (134419).

94799681 is a wasteful number, since it uses less digits than its factorization.

94799681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134418.

The product of its digits is 979776, while the sum is 53.

The square root of 94799681 is about 9736.5127740891. The cubic root of 94799681 is about 455.9693234339.

The spelling of 94799681 in words is "ninety-four million, seven hundred ninety-nine thousand, six hundred eighty-one".