4427772805051 has 8 divisors (see below), whose sum is σ = 4488552449024. Its totient is φ = 4366996545600.

The previous prime is 4427772805039. The next prime is 4427772805067. The reversal of 4427772805051 is 1505082777244.

It is a happy number.

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 4427772805051 - 2³⁷ = 4290333851579 is a prime.

It is a super-2 number, since 2×4427772805051² (a number of 26 digits) contains 22 as substring.

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 4427772805051.

It is not an unprimeable number, because it can be changed into a prime (4427772800051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846726 + ... + 3502276.

It is an arithmetic number, because the mean of its divisors is an integer number (561069056128).

Almost surely, 2^{4427772805051} is an apocalyptic number.

4427772805051 is a deficient number, since it is larger than the sum of its proper divisors (60779643973).

4427772805051 is a wasteful number, since it uses less digits than its factorization.

4427772805051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692261.

The product of its (nonzero) digits is 4390400, while the sum is 52.

The spelling of 4427772805051 in words is "four trillion, four hundred twenty-seven billion, seven hundred seventy-two million, eight hundred five thousand, fifty-one".