77650327 has 2 divisors, whose sum is σ = 77650328. Its totient is φ = 77650326.

The previous prime is 77650297. The next prime is 77650393. The reversal of 77650327 is 72305677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77650327 - 2¹¹ = 77648279 is a prime.

It is a super-4 number, since 4×77650327⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77650427) 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, 38825163 + 38825164.

It is an arithmetic number, because the mean of its divisors is an integer number (38825164).

Almost surely, 2^77650327 is an apocalyptic number.

77650327 is a deficient number, since it is larger than the sum of its proper divisors (1).

77650327 is an equidigital number, since it uses as much as digits as its factorization.

77650327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 77650327 is about 8811.9422944093. The cubic root of 77650327 is about 426.6264358904.

It can be divided in two parts, 77650 and 327, that added together give a palindrome (77977).

The spelling of 77650327 in words is "seventy-seven million, six hundred fifty thousand, three hundred twenty-seven".