4078998001 has 4 divisors (see below), whose sum is σ = 4392767092. Its totient is φ = 3765228912.

The previous prime is 4078997983. The next prime is 4078998029. The reversal of 4078998001 is 1008998704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 392079601 + 3686918400 = 19801^2 + 60720^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078998001 - 2¹⁷ = 4078866929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078998401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156884526 + ... + 156884551.

It is an arithmetic number, because the mean of its divisors is an integer number (1098191773).

Almost surely, 2^4078998001 is an apocalyptic number.

It is an amenable number.

4078998001 is a deficient number, since it is larger than the sum of its proper divisors (313769091).

4078998001 is a wasteful number, since it uses less digits than its factorization.

4078998001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313769090.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 4078998001 is about 63867.0337576437. The cubic root of 4078998001 is about 1597.7831278893.

The spelling of 4078998001 in words is "four billion, seventy-eight million, nine hundred ninety-eight thousand, one".