77469466 has 4 divisors (see below), whose sum is σ = 116204202. Its totient is φ = 38734732.

The previous prime is 77469439. The next prime is 77469467. The reversal of 77469466 is 66496477.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 4862025 = 8521^2 + 2205^2 .

It is not an unprimeable number, because it can be changed into a prime (77469467) 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, 19367365 + ... + 19367368.

Almost surely, 2^77469466 is an apocalyptic number.

77469466 is a deficient number, since it is larger than the sum of its proper divisors (38734736).

77469466 is a wasteful number, since it uses less digits than its factorization.

77469466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38734735.

The product of its digits is 1524096, while the sum is 49.

The square root of 77469466 is about 8801.6740453166. The cubic root of 77469466 is about 426.2949495515.

The spelling of 77469466 in words is "seventy-seven million, four hundred sixty-nine thousand, four hundred sixty-six".