77488674466 has 32 divisors (see below), whose sum is σ = 134351936640. Its totient is φ = 32832366336.

The previous prime is 77488674427. The next prime is 77488674563. The reversal of 77488674466 is 66447688477.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566365 + ... + 689743.

It is an arithmetic number, because the mean of its divisors is an integer number (4198498020).

Almost surely, 2^77488674466 is an apocalyptic number.

77488674466 is a deficient number, since it is larger than the sum of its proper divisors (56863262174).

77488674466 is a wasteful number, since it uses less digits than its factorization.

77488674466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123898.

The product of its digits is 303464448, while the sum is 67.

The spelling of 77488674466 in words is "seventy-seven billion, four hundred eighty-eight million, six hundred seventy-four thousand, four hundred sixty-six".