1878858364 has 12 divisors (see below), whose sum is σ = 3288336688. Its totient is φ = 939333600.

The previous prime is 1878858349. The next prime is 1878858367. The reversal of 1878858364 is 4638588781.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1878858299 and 1878858308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1878858367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38344 + ... + 72304.

Almost surely, 2^1878858364 is an apocalyptic number.

It is an amenable number.

1878858364 is a deficient number, since it is larger than the sum of its proper divisors (1409478324).

1878858364 is a wasteful number, since it uses less digits than its factorization.

1878858364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47796 (or 47794 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 58.

The square root of 1878858364 is about 43345.7998426606. The cubic root of 1878858364 is about 1233.9512837719.

It can be divided in two parts, 187885 and 8364, that added together give a square (196249 = 443²).

The spelling of 1878858364 in words is "one billion, eight hundred seventy-eight million, eight hundred fifty-eight thousand, three hundred sixty-four".