1872363776 has 72 divisors (see below), whose sum is σ = 3821168064. Its totient is φ = 915425280.

The previous prime is 1872363763. The next prime is 1872363781. The reversal of 1872363776 is 6773632781.

It is a super-2 number, since 2×1872363776² = 7011492219353956352, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2966981 + ... + 2967611.

Almost surely, 2^1872363776 is an apocalyptic number.

1872363776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872363776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910584032).

1872363776 is an abundant number, since it is smaller than the sum of its proper divisors (1948804288).

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

1872363776 is an equidigital number, since it uses as much as digits as its factorization.

1872363776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 873 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 50.

The square root of 1872363776 is about 43270.8189892449. The cubic root of 1872363776 is about 1232.5278561126.

The spelling of 1872363776 in words is "one billion, eight hundred seventy-two million, three hundred sixty-three thousand, seven hundred seventy-six".