996677305 has 16 divisors (see below), whose sum is σ = 1293561360. Its totient is φ = 732837888.

The previous prime is 996677273. The next prime is 996677317. The reversal of 996677305 is 503776699.

996677305 = 22323² + 22324².

It can be written as a sum of positive squares in 8 ways, for example, as 19927296 + 976750009 = 4464^2 + 31253^2 .

It is a cyclic number.

It is not a de Polignac number, because 996677305 - 2⁵ = 996677273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17760 + ... + 48049.

It is an arithmetic number, because the mean of its divisors is an integer number (80847585).

Almost surely, 2^996677305 is an apocalyptic number.

996677305 is the 22324-th centered square number.

It is an amenable number.

996677305 is a deficient number, since it is larger than the sum of its proper divisors (296884055).

996677305 is a wasteful number, since it uses less digits than its factorization.

996677305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66060.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 996677305 is about 31570.1964675546. The cubic root of 996677305 is about 998.8912060303.

The spelling of 996677305 in words is "nine hundred ninety-six million, six hundred seventy-seven thousand, three hundred five".