996873769 has 2 divisors, whose sum is σ = 996873770. Its totient is φ = 996873768.

The previous prime is 996873707. The next prime is 996873793. The reversal of 996873769 is 967378699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761097744 + 235776025 = 27588^2 + 15355^2 .

It is a cyclic number.

It is not a de Polignac number, because 996873769 - 2²¹ = 994776617 is a prime.

It is a super-2 number, since 2×996873769² = 1987514622640530722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 996873769.

It is not a weakly prime, because it can be changed into another prime (996823769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498436884 + 498436885.

It is an arithmetic number, because the mean of its divisors is an integer number (498436885).

Almost surely, 2^996873769 is an apocalyptic number.

It is an amenable number.

996873769 is a deficient number, since it is larger than the sum of its proper divisors (1).

996873769 is an equidigital number, since it uses as much as digits as its factorization.

996873769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 64.

The square root of 996873769 is about 31573.3078564790. The cubic root of 996873769 is about 998.9568351856.

The spelling of 996873769 in words is "nine hundred ninety-six million, eight hundred seventy-three thousand, seven hundred sixty-nine".