1980827378 has 8 divisors (see below), whose sum is σ = 2992929372. Its totient is φ = 983184256.

The previous prime is 1980827363. The next prime is 1980827389. The reversal of 1980827378 is 8737280891.

It can be written as a sum of positive squares in 2 ways, for example, as 1930459969 + 50367409 = 43937^2 + 7097^2 .

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

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, 3614375 + ... + 3614922.

Almost surely, 2^1980827378 is an apocalyptic number.

1980827378 is a deficient number, since it is larger than the sum of its proper divisors (1012101994).

1980827378 is a wasteful number, since it uses less digits than its factorization.

1980827378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229436.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 1980827378 is about 44506.4869204479. The cubic root of 1980827378 is about 1255.8821177754.

The spelling of 1980827378 in words is "one billion, nine hundred eighty million, eight hundred twenty-seven thousand, three hundred seventy-eight".