39880676897 has 2 divisors, whose sum is σ = 39880676898. Its totient is φ = 39880676896.

The previous prime is 39880676881. The next prime is 39880676933. The reversal of 39880676897 is 79867608893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23720928256 + 16159748641 = 154016^2 + 127121^2 .

It is a cyclic number.

It is not a de Polignac number, because 39880676897 - 2⁴ = 39880676881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39880676897.

It is not a weakly prime, because it can be changed into another prime (39880676497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19940338448 + 19940338449.

It is an arithmetic number, because the mean of its divisors is an integer number (19940338449).

Almost surely, 2^39880676897 is an apocalyptic number.

It is an amenable number.

39880676897 is a deficient number, since it is larger than the sum of its proper divisors (1).

39880676897 is an equidigital number, since it uses as much as digits as its factorization.

39880676897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219469824, while the sum is 71.

The spelling of 39880676897 in words is "thirty-nine billion, eight hundred eighty million, six hundred seventy-six thousand, eight hundred ninety-seven".