378787898 has 8 divisors (see below), whose sum is σ = 568295892. Its totient is φ = 189355936.

The previous prime is 378787891. The next prime is 378787909. The reversal of 378787898 is 898787873.

It can be written as a sum of positive squares in 2 ways, for example, as 376088449 + 2699449 = 19393^2 + 1643^2 .

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

It is not an unprimeable number, because it can be changed into a prime (378787891) 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, 4265 + ... + 27852.

Almost surely, 2^378787898 is an apocalyptic number.

378787898 is a deficient number, since it is larger than the sum of its proper divisors (189507994).

378787898 is a wasteful number, since it uses less digits than its factorization.

378787898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38016.

The product of its digits is 37933056, while the sum is 65.

The square root of 378787898 is about 19462.4740976064. The cubic root of 378787898 is about 723.5446973521.

The spelling of 378787898 in words is "three hundred seventy-eight million, seven hundred eighty-seven thousand, eight hundred ninety-eight".