994546577 has 4 divisors (see below), whose sum is σ = 995776740. Its totient is φ = 993316416.

The previous prime is 994546571. The next prime is 994546603. The reversal of 994546577 is 775645499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 775645499 = 397 ⋅1953767.

It can be written as a sum of positive squares in 2 ways, for example, as 679697041 + 314849536 = 26071^2 + 17744^2 .

It is a cyclic number.

It is not a de Polignac number, because 994546577 - 2⁶ = 994546513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994546571) 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, 613868 + ... + 615485.

It is an arithmetic number, because the mean of its divisors is an integer number (248944185).

Almost surely, 2^994546577 is an apocalyptic number.

It is an amenable number.

994546577 is a deficient number, since it is larger than the sum of its proper divisors (1230163).

994546577 is a wasteful number, since it uses less digits than its factorization.

994546577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230162.

The product of its digits is 9525600, while the sum is 56.

The square root of 994546577 is about 31536.4325344513. The cubic root of 994546577 is about 998.1788778607.

The spelling of 994546577 in words is "nine hundred ninety-four million, five hundred forty-six thousand, five hundred seventy-seven".