77408011 has 2 divisors, whose sum is σ = 77408012. Its totient is φ = 77408010.

The previous prime is 77408003. The next prime is 77408039. The reversal of 77408011 is 11080477.

It is an a-pointer prime, because the next prime (77408039) can be obtained adding 77408011 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77408011 - 2³ = 77408003 is a prime.

It is a super-3 number, since 3×77408011³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (77408081) 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, 38704005 + 38704006.

It is an arithmetic number, because the mean of its divisors is an integer number (38704006).

Almost surely, 2^77408011 is an apocalyptic number.

77408011 is a deficient number, since it is larger than the sum of its proper divisors (1).

77408011 is an equidigital number, since it uses as much as digits as its factorization.

77408011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 77408011 is about 8798.1822554435. The cubic root of 77408011 is about 426.1821959383.

Adding to 77408011 its reverse (11080477), we get a palindrome (88488488).

It can be divided in two parts, 7740 and 8011, that added together give a palindrome (15751).

The spelling of 77408011 in words is "seventy-seven million, four hundred eight thousand, eleven".