994479777737 has 16 divisors (see below), whose sum is σ = 1011963494400. Its totient is φ = 977192112960.

The previous prime is 994479777679. The next prime is 994479777749. The reversal of 994479777737 is 737777974499.

It is a cyclic number.

It is not a de Polignac number, because 994479777737 - 2²⁴ = 994463000521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994479777757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5465339 + ... + 5644367.

It is an arithmetic number, because the mean of its divisors is an integer number (63247718400).

Almost surely, 2^994479777737 is an apocalyptic number.

It is an amenable number.

994479777737 is a deficient number, since it is larger than the sum of its proper divisors (17483716663).

994479777737 is a wasteful number, since it uses less digits than its factorization.

994479777737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179576.

The product of its digits is 4116773808, while the sum is 80.

The spelling of 994479777737 in words is "nine hundred ninety-four billion, four hundred seventy-nine million, seven hundred seventy-seven thousand, seven hundred thirty-seven".