77757760454122 has 32 divisors (see below), whose sum is σ = 141232809727872. Its totient is φ = 31343880781824.

The previous prime is 77757760454119. The next prime is 77757760454131. The reversal of 77757760454122 is 22145406775777.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106897303 + ... + 107622250.

It is an arithmetic number, because the mean of its divisors is an integer number (4413525303996).

Almost surely, 2^{77757760454122} is an apocalyptic number.

77757760454122 is a deficient number, since it is larger than the sum of its proper divisors (63475049273750).

77757760454122 is a wasteful number, since it uses less digits than its factorization.

77757760454122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214521102.

The product of its (nonzero) digits is 161347200, while the sum is 64.

The spelling of 77757760454122 in words is "seventy-seven trillion, seven hundred fifty-seven billion, seven hundred sixty million, four hundred fifty-four thousand, one hundred twenty-two".