378573009 has 12 divisors (see below), whose sum is σ = 507036048. Its totient is φ = 251251000.

The previous prime is 378572951. The next prime is 378573029. The reversal of 378573009 is 900375873.

It is not a de Polignac number, because 378573009 - 2¹² = 378568913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378573029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188002 + ... + 190004.

It is an arithmetic number, because the mean of its divisors is an integer number (42253004).

Almost surely, 2^378573009 is an apocalyptic number.

It is an amenable number.

378573009 is a deficient number, since it is larger than the sum of its proper divisors (128463039).

378573009 is an equidigital number, since it uses as much as digits as its factorization.

378573009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 378573009 is about 19456.9527161886. The cubic root of 378573009 is about 723.4078474963.

The spelling of 378573009 in words is "three hundred seventy-eight million, five hundred seventy-three thousand, nine".