39121056796777 has 8 divisors (see below), whose sum is σ = 39867069084480. Its totient is φ = 38375336329200.

The previous prime is 39121056796693. The next prime is 39121056796799. The reversal of 39121056796777 is 77769765012193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39121056796777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39121056796477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72684349 + ... + 73220602.

It is an arithmetic number, because the mean of its divisors is an integer number (4983383635560).

Almost surely, 2^{39121056796777} is an apocalyptic number.

It is an amenable number.

39121056796777 is a deficient number, since it is larger than the sum of its proper divisors (746012287703).

39121056796777 is a wasteful number, since it uses less digits than its factorization.

39121056796777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145910063.

The product of its (nonzero) digits is 210039480, while the sum is 70.

The spelling of 39121056796777 in words is "thirty-nine trillion, one hundred twenty-one billion, fifty-six million, seven hundred ninety-six thousand, seven hundred seventy-seven".