77525011 has 2 divisors, whose sum is σ = 77525012. Its totient is φ = 77525010.

The previous prime is 77525003. The next prime is 77525029. The reversal of 77525011 is 11052577.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77525011 - 2³ = 77525003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77525081) 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, 38762505 + 38762506.

It is an arithmetic number, because the mean of its divisors is an integer number (38762506).

Almost surely, 2^77525011 is an apocalyptic number.

77525011 is a deficient number, since it is larger than the sum of its proper divisors (1).

77525011 is an equidigital number, since it uses as much as digits as its factorization.

77525011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 77525011 is about 8804.8288455824. The cubic root of 77525011 is about 426.3968085907.

Adding to 77525011 its reverse (11052577), we get a palindrome (88577588).

The spelling of 77525011 in words is "seventy-seven million, five hundred twenty-five thousand, eleven".