77242307111144 has 64 divisors (see below), whose sum is σ = 165832309530240. Its totient is φ = 33041235191040.

The previous prime is 77242307111051. The next prime is 77242307111261. The reversal of 77242307111144 is 44111170324277.

It is a junction number, because it is equal to n+sod(n) for n = 77242307111095 and 77242307111104.

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, 1014665867 + ... + 1014741989.

It is an arithmetic number, because the mean of its divisors is an integer number (2591129836410).

Almost surely, 2^{77242307111144} is an apocalyptic number.

It is an amenable number.

77242307111144 is an abundant number, since it is smaller than the sum of its proper divisors (88590002419096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77242307111144 is a wasteful number, since it uses less digits than its factorization.

77242307111144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110170 (or 110166 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 77242307111144 in words is "seventy-seven trillion, two hundred forty-two billion, three hundred seven million, one hundred eleven thousand, one hundred forty-four".