992676661 has 2 divisors, whose sum is σ = 992676662. Its totient is φ = 992676660.

The previous prime is 992676599. The next prime is 992676667. The reversal of 992676661 is 166676299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 782600625 + 210076036 = 27975^2 + 14494^2 .

It is a cyclic number.

It is not a de Polignac number, because 992676661 - 2²¹ = 990579509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 992676599 and 992676608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (992676667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496338330 + 496338331.

It is an arithmetic number, because the mean of its divisors is an integer number (496338331).

Almost surely, 2^992676661 is an apocalyptic number.

It is an amenable number.

992676661 is a deficient number, since it is larger than the sum of its proper divisors (1).

992676661 is an equidigital number, since it uses as much as digits as its factorization.

992676661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 52.

The square root of 992676661 is about 31506.7716689603. The cubic root of 992676661 is about 997.5529036039.

The spelling of 992676661 in words is "nine hundred ninety-two million, six hundred seventy-six thousand, six hundred sixty-one".