77224160044 has 48 divisors (see below), whose sum is σ = 144496406880. Its totient is φ = 36007718400.

The previous prime is 77224160023. The next prime is 77224160053. The reversal of 77224160044 is 44006142277.

It is a junction number, because it is equal to n+sod(n) for n = 77224159985 and 77224160012.

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, 1298872 + ... + 1357024.

It is an arithmetic number, because the mean of its divisors is an integer number (3010341810).

Almost surely, 2^77224160044 is an apocalyptic number.

It is an amenable number.

77224160044 is a deficient number, since it is larger than the sum of its proper divisors (67272246836).

77224160044 is a wasteful number, since it uses less digits than its factorization.

77224160044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58450 (or 58448 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 77224160044 in words is "seventy-seven billion, two hundred twenty-four million, one hundred sixty thousand, forty-four".