73777011044 has 18 divisors (see below), whose sum is σ = 141914044902. Its totient is φ = 33535004800.

The previous prime is 73777011037. The next prime is 73777011047. The reversal of 73777011044 is 44011077737.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 72215812900 + 1561198144 = 268730^2 + 39512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73777010992 and 73777011010.

It is not an unprimeable number, because it can be changed into a prime (73777011047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76215437 + ... + 76216404.

Almost surely, 2^73777011044 is an apocalyptic number.

It is an amenable number.

73777011044 is a deficient number, since it is larger than the sum of its proper divisors (68137033858).

73777011044 is a wasteful number, since it uses less digits than its factorization.

73777011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152431867 (or 152431854 counting only the distinct ones).

The product of its (nonzero) digits is 115248, while the sum is 41.

The spelling of 73777011044 in words is "seventy-three billion, seven hundred seventy-seven million, eleven thousand, forty-four".