4072985997 has 8 divisors (see below), whose sum is σ = 5617911840. Its totient is φ = 2621692080.

The previous prime is 4072985993. The next prime is 4072986007. The reversal of 4072985997 is 7995892704.

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

It is not a de Polignac number, because 4072985997 - 2² = 4072985993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4072985997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072985993) 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 7 ways as a sum of consecutive naturals, for example, 23407879 + ... + 23408052.

It is an arithmetic number, because the mean of its divisors is an integer number (702238980).

Almost surely, 2^4072985997 is an apocalyptic number.

It is an amenable number.

4072985997 is a deficient number, since it is larger than the sum of its proper divisors (1544925843).

4072985997 is a wasteful number, since it uses less digits than its factorization.

4072985997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46815963.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The square root of 4072985997 is about 63819.9498354551. The cubic root of 4072985997 is about 1596.9977551281.

The spelling of 4072985997 in words is "four billion, seventy-two million, nine hundred eighty-five thousand, nine hundred ninety-seven".