39776665352 has 36 divisors (see below), whose sum is σ = 75399197055. Its totient is φ = 19672562896.

The previous prime is 39776665343. The next prime is 39776665367. The reversal of 39776665352 is 25356667793.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 19888332676 + 19888332676 = 141026^2 + 141026^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=141026.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39776665291 and 39776665300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60358799 + ... + 60359457.

Almost surely, 2^39776665352 is an apocalyptic number.

It is an amenable number.

39776665352 is a deficient number, since it is larger than the sum of its proper divisors (35622531703).

39776665352 is an frugal number, since it uses more digits than its factorization.

39776665352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 768 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 59.

The spelling of 39776665352 in words is "thirty-nine billion, seven hundred seventy-six million, six hundred sixty-five thousand, three hundred fifty-two".