39755061979 has 4 divisors (see below), whose sum is σ = 39777310584. Its totient is φ = 39732813376.

The previous prime is 39755061971. The next prime is 39755062063. The reversal of 39755061979 is 97916055793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39755061979 - 2³ = 39755061971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39755061971) 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 in 3 ways as a sum of consecutive naturals, for example, 11121622 + ... + 11125195.

It is an arithmetic number, because the mean of its divisors is an integer number (9944327646).

Almost surely, 2^39755061979 is an apocalyptic number.

39755061979 is a deficient number, since it is larger than the sum of its proper divisors (22248605).

39755061979 is a wasteful number, since it uses less digits than its factorization.

39755061979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22248604.

The product of its (nonzero) digits is 16074450, while the sum is 61.

The spelling of 39755061979 in words is "thirty-nine billion, seven hundred fifty-five million, sixty-one thousand, nine hundred seventy-nine".