1830077538 has 16 divisors (see below), whose sum is σ = 3786367680. Its totient is φ = 588990416.

The previous prime is 1830077533. The next prime is 1830077539. The reversal of 1830077538 is 8357700381.

It is a self number, because there is not a number n which added to its sum of digits gives 1830077538.

It is not an unprimeable number, because it can be changed into a prime (1830077533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5258670 + ... + 5259017.

It is an arithmetic number, because the mean of its divisors is an integer number (236647980).

Almost surely, 2^1830077538 is an apocalyptic number.

1830077538 is an abundant number, since it is smaller than the sum of its proper divisors (1956290142).

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

1830077538 is a wasteful number, since it uses less digits than its factorization.

1830077538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10517721.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1830077538 is about 42779.4055358417. The cubic root of 1830077538 is about 1223.1784757630.

The spelling of 1830077538 in words is "one billion, eight hundred thirty million, seventy-seven thousand, five hundred thirty-eight".