772002001 has 2 divisors, whose sum is σ = 772002002. Its totient is φ = 772002000.

The previous prime is 772001941. The next prime is 772002013. The reversal of 772002001 is 100200277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558140625 + 213861376 = 23625^2 + 14624^2 .

It is a cyclic number.

It is not a de Polignac number, because 772002001 - 2⁷ = 772001873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 772002001.

It is not a weakly prime, because it can be changed into another prime (772002041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386001000 + 386001001.

It is an arithmetic number, because the mean of its divisors is an integer number (386001001).

Almost surely, 2^772002001 is an apocalyptic number.

It is an amenable number.

772002001 is a deficient number, since it is larger than the sum of its proper divisors (1).

772002001 is an equidigital number, since it uses as much as digits as its factorization.

772002001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 772002001 is about 27784.9239876592. The cubic root of 772002001 is about 917.3593152719.

Adding to 772002001 its reverse (100200277), we get a palindrome (872202278).

The spelling of 772002001 in words is "seven hundred seventy-two million, two thousand, one".