39375979557 has 8 divisors (see below), whose sum is σ = 52507294560. Its totient is φ = 26247658800.

The previous prime is 39375979549. The next prime is 39375979579. The reversal of 39375979557 is 75597957393.

39375979557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 39375979557 - 2³ = 39375979549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39375979491 and 39375979500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39375979157) 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, 717694 + ... + 770607.

It is an arithmetic number, because the mean of its divisors is an integer number (6563411820).

Almost surely, 2^39375979557 is an apocalyptic number.

It is an amenable number.

39375979557 is a deficient number, since it is larger than the sum of its proper divisors (13131315003).

39375979557 is a wasteful number, since it uses less digits than its factorization.

39375979557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497123.

The product of its digits is 281302875, while the sum is 69.

The spelling of 39375979557 in words is "thirty-nine billion, three hundred seventy-five million, nine hundred seventy-nine thousand, five hundred fifty-seven".