39916478995 has 8 divisors (see below), whose sum is σ = 47924566416. Its totient is φ = 31916655456.

The previous prime is 39916478983. The next prime is 39916479011. The reversal of 39916478995 is 59987461993.

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 39916478995 - 2¹⁹ = 39915954707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055337 + ... + 2074666.

It is an arithmetic number, because the mean of its divisors is an integer number (5990570802).

Almost surely, 2^39916478995 is an apocalyptic number.

39916478995 is a deficient number, since it is larger than the sum of its proper divisors (8008087421).

39916478995 is a wasteful number, since it uses less digits than its factorization.

39916478995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131941.

The product of its digits is 132269760, while the sum is 70.

The spelling of 39916478995 in words is "thirty-nine billion, nine hundred sixteen million, four hundred seventy-eight thousand, nine hundred ninety-five".