18277059028 has 12 divisors (see below), whose sum is σ = 31990148820. Its totient is φ = 9137016512.

The previous prime is 18277059011. The next prime is 18277059037. The reversal of 18277059028 is 82095077281.

It can be written as a sum of positive squares in 2 ways, for example, as 5851944004 + 12425115024 = 76498^2 + 111468^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350851 + ... + 399562.

It is an arithmetic number, because the mean of its divisors is an integer number (2665845735).

Almost surely, 2^18277059028 is an apocalyptic number.

It is an amenable number.

18277059028 is a deficient number, since it is larger than the sum of its proper divisors (13713089792).

18277059028 is a wasteful number, since it uses less digits than its factorization.

18277059028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756506 (or 756504 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 18277059028 in words is "eighteen billion, two hundred seventy-seven million, fifty-nine thousand, twenty-eight".