4421078797 has 4 divisors (see below), whose sum is σ = 4573529820. Its totient is φ = 4268627776.

The previous prime is 4421078777. The next prime is 4421078813. The reversal of 4421078797 is 7978701244.

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 2638465956 + 1782612841 = 51366^2 + 42221^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421078797 - 2¹⁵ = 4421046029 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4421078797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421078777) 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, 76225468 + ... + 76225525.

It is an arithmetic number, because the mean of its divisors is an integer number (1143382455).

Almost surely, 2^4421078797 is an apocalyptic number.

It is an amenable number.

4421078797 is a deficient number, since it is larger than the sum of its proper divisors (152451023).

4421078797 is a wasteful number, since it uses less digits than its factorization.

4421078797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152451022.

The product of its (nonzero) digits is 790272, while the sum is 49.

The square root of 4421078797 is about 66491.1933792739. The cubic root of 4421078797 is about 1641.2550868564.

The spelling of 4421078797 in words is "four billion, four hundred twenty-one million, seventy-eight thousand, seven hundred ninety-seven".