1878082845 has 16 divisors (see below), whose sum is σ = 3016027392. Its totient is φ = 997945920.

The previous prime is 1878082813. The next prime is 1878082847. The reversal of 1878082845 is 5482808781.

It is not a de Polignac number, because 1878082845 - 2⁵ = 1878082813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878082847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226942 + ... + 235071.

It is an arithmetic number, because the mean of its divisors is an integer number (188501712).

Almost surely, 2^1878082845 is an apocalyptic number.

1878082845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1878082845 is a deficient number, since it is larger than the sum of its proper divisors (1137944547).

1878082845 is a wasteful number, since it uses less digits than its factorization.

1878082845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462292.

The product of its (nonzero) digits is 1146880, while the sum is 51.

The square root of 1878082845 is about 43336.8531967885. The cubic root of 1878082845 is about 1233.7814848525.

It can be divided in two parts, 187808 and 2845, that added together give a triangular number (190653 = T₆₁₇).

The spelling of 1878082845 in words is "one billion, eight hundred seventy-eight million, eighty-two thousand, eight hundred forty-five".