9420672577 has 2 divisors, whose sum is σ = 9420672578. Its totient is φ = 9420672576.

The previous prime is 9420672539. The next prime is 9420672617. The reversal of 9420672577 is 7752760249.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7362326416 + 2058346161 = 85804^2 + 45369^2 .

It is a cyclic number.

It is not a de Polignac number, because 9420672577 - 2⁷ = 9420672449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9420672577.

It is not a weakly prime, because it can be changed into another prime (9420678577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710336288 + 4710336289.

It is an arithmetic number, because the mean of its divisors is an integer number (4710336289).

Almost surely, 2^9420672577 is an apocalyptic number.

It is an amenable number.

9420672577 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420672577 is an equidigital number, since it uses as much as digits as its factorization.

9420672577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 9420672577 is about 97060.1492735304. The cubic root of 9420672577 is about 2112.0002726872. Note that the first 3 decimals are identical.

It can be divided in two parts, 9420672 and 577, that added together give a palindrome (9421249).

The spelling of 9420672577 in words is "nine billion, four hundred twenty million, six hundred seventy-two thousand, five hundred seventy-seven".