736878869 has 2 divisors, whose sum is σ = 736878870. Its totient is φ = 736878868.

The previous prime is 736878847. The next prime is 736878871. The reversal of 736878869 is 968878637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477990769 + 258888100 = 21863^2 + 16090^2 .

It is a cyclic number.

It is not a de Polignac number, because 736878869 - 2¹² = 736874773 is a prime.

It is a super-2 number, since 2×736878869² = 1085980935157438322, which contains 22 as substring.

Together with 736878871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (736878829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368439434 + 368439435.

It is an arithmetic number, because the mean of its divisors is an integer number (368439435).

Almost surely, 2^736878869 is an apocalyptic number.

It is an amenable number.

736878869 is a deficient number, since it is larger than the sum of its proper divisors (1).

736878869 is an equidigital number, since it uses as much as digits as its factorization.

736878869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 62.

The square root of 736878869 is about 27145.5128704543. The cubic root of 736878869 is about 903.2307217526.

The spelling of 736878869 in words is "seven hundred thirty-six million, eight hundred seventy-eight thousand, eight hundred sixty-nine".