8442780201 has 8 divisors (see below), whose sum is σ = 12507822560. Its totient is φ = 5628520116.

The previous prime is 8442780173. The next prime is 8442780233. The reversal of 8442780201 is 1020872448.

8442780201 is a `hidden beast` number, since 8 + 442 + 7 + 8 + 0 + 201 = 666.

It is not a de Polignac number, because 8442780201 - 2¹⁷ = 8442649129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8442780251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156347755 + ... + 156347808.

It is an arithmetic number, because the mean of its divisors is an integer number (1563477820).

Almost surely, 2^8442780201 is an apocalyptic number.

It is an amenable number.

8442780201 is a deficient number, since it is larger than the sum of its proper divisors (4065042359).

8442780201 is a wasteful number, since it uses less digits than its factorization.

8442780201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312695572 (or 312695566 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 8442780201 is about 91884.6026328677. The cubic root of 8442780201 is about 2036.2377956121.

The spelling of 8442780201 in words is "eight billion, four hundred forty-two million, seven hundred eighty thousand, two hundred one".