39368768290978 has 16 divisors (see below), whose sum is σ = 67491273487104. Its totient is φ = 16871840163360.

The previous prime is 39368768290961. The next prime is 39368768290993. The reversal of 39368768290978 is 87909286786393.

It is a junction number, because it is equal to n+sod(n) for n = 39368768290895 and 39368768290904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40258275 + ... + 41224582.

It is an arithmetic number, because the mean of its divisors is an integer number (4218204592944).

Almost surely, 2^{39368768290978} is an apocalyptic number.

39368768290978 is a deficient number, since it is larger than the sum of its proper divisors (28122505196126).

39368768290978 is a wasteful number, since it uses less digits than its factorization.

39368768290978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81517377.

The product of its (nonzero) digits is 11851370496, while the sum is 85.

The spelling of 39368768290978 in words is "thirty-nine trillion, three hundred sixty-eight billion, seven hundred sixty-eight million, two hundred ninety thousand, nine hundred seventy-eight".