39678611075 has 12 divisors (see below), whose sum is σ = 49206829728. Its totient is φ = 31739436000.

The previous prime is 39678611059. The next prime is 39678611081. The reversal of 39678611075 is 57011687693.

It is not a de Polignac number, because 39678611075 - 2⁴ = 39678611059 is a prime.

It is a super-2 number, since 2×39678611075² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 162125 + ... + 325025.

It is an arithmetic number, because the mean of its divisors is an integer number (4100569144).

Almost surely, 2^39678611075 is an apocalyptic number.

39678611075 is a deficient number, since it is larger than the sum of its proper divisors (9528218653).

39678611075 is a wasteful number, since it uses less digits than its factorization.

39678611075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172654 (or 172649 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 39678611075 in words is "thirty-nine billion, six hundred seventy-eight million, six hundred eleven thousand, seventy-five".