1878379982 has 8 divisors (see below), whose sum is σ = 2826572736. Its totient is φ = 936189072.

The previous prime is 1878379969. The next prime is 1878380029. The reversal of 1878379982 is 2899738781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1878379982² = 7056622713556640648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1499678 + ... + 1500929.

It is an arithmetic number, because the mean of its divisors is an integer number (353321592).

Almost surely, 2^1878379982 is an apocalyptic number.

1878379982 is a deficient number, since it is larger than the sum of its proper divisors (948192754).

1878379982 is a wasteful number, since it uses less digits than its factorization.

1878379982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000922.

The product of its digits is 12192768, while the sum is 62.

The square root of 1878379982 is about 43340.2812865814. The cubic root of 1878379982 is about 1233.8465481515.

The spelling of 1878379982 in words is "one billion, eight hundred seventy-eight million, three hundred seventy-nine thousand, nine hundred eighty-two".