18077825330 has 16 divisors (see below), whose sum is σ = 34454208600. Its totient is φ = 6805769472.

The previous prime is 18077825327. The next prime is 18077825371. The reversal of 18077825330 is 3352877081.

It can be written as a sum of positive squares in 4 ways, for example, as 17577721561 + 500103769 = 132581^2 + 22363^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53169905 + ... + 53170244.

Almost surely, 2^18077825330 is an apocalyptic number.

18077825330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18077825330 is a deficient number, since it is larger than the sum of its proper divisors (16376383270).

18077825330 is a wasteful number, since it uses less digits than its factorization.

18077825330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106340173.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 18077825330 in words is "eighteen billion, seventy-seven million, eight hundred twenty-five thousand, three hundred thirty".