1836377874 has 12 divisors (see below), whose sum is σ = 3978818766. Its totient is φ = 612125952.

The previous prime is 1836377869. The next prime is 1836377923. The reversal of 1836377874 is 4787736381.

It can be written as a sum of positive squares in only one way, i.e., 1809906849 + 26471025 = 42543^2 + 5145^2 .

It is a super-2 number, since 2×1836377874² = 6744567392233519752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1836377874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51010479 + ... + 51010514.

Almost surely, 2^1836377874 is an apocalyptic number.

1836377874 is an abundant number, since it is smaller than the sum of its proper divisors (2142440892).

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

1836377874 is a wasteful number, since it uses less digits than its factorization.

1836377874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102021001 (or 102020998 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The square root of 1836377874 is about 42852.9797563717. The cubic root of 1836377874 is about 1224.5805308769.

The spelling of 1836377874 in words is "one billion, eight hundred thirty-six million, three hundred seventy-seven thousand, eight hundred seventy-four".