39508785061 has 8 divisors (see below), whose sum is σ = 40301456504. Its totient is φ = 38720790720.

The previous prime is 39508785007. The next prime is 39508785067. The reversal of 39508785061 is 16058780593.

39508785061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3321332161 + 36187452900 = 57631^2 + 190230^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39508785061 - 2¹⁹ = 39508260773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39508785067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1152210 + ... + 1186003.

It is an arithmetic number, because the mean of its divisors is an integer number (5037682063).

Almost surely, 2^39508785061 is an apocalyptic number.

It is an amenable number.

39508785061 is a deficient number, since it is larger than the sum of its proper divisors (792671443).

39508785061 is a wasteful number, since it uses less digits than its factorization.

39508785061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338551.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 39508785061 in words is "thirty-nine billion, five hundred eight million, seven hundred eighty-five thousand, sixty-one".