18770326378 has 8 divisors (see below), whose sum is σ = 28156078368. Its totient is φ = 9384966924.

The previous prime is 18770326373. The next prime is 18770326411. The reversal of 18770326378 is 87362307781.

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 (18770326373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108075 + ... + 221857.

It is an arithmetic number, because the mean of its divisors is an integer number (3519509796).

Almost surely, 2^18770326378 is an apocalyptic number.

18770326378 is a deficient number, since it is larger than the sum of its proper divisors (9385751990).

18770326378 is a wasteful number, since it uses less digits than its factorization.

18770326378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196268.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 18770326378 in words is "eighteen billion, seven hundred seventy million, three hundred twenty-six thousand, three hundred seventy-eight".