378641011 has 8 divisors (see below), whose sum is σ = 435892320. Its totient is φ = 322179648.

The previous prime is 378641009. The next prime is 378641041. The reversal of 378641011 is 110146873.

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

It is not a de Polignac number, because 378641011 - 2¹ = 378641009 is a prime.

It is a super-2 number, since 2×378641011² = 286738030422204242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378641041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196456 + ... + 198373.

It is an arithmetic number, because the mean of its divisors is an integer number (54486540).

Almost surely, 2^378641011 is an apocalyptic number.

378641011 is a deficient number, since it is larger than the sum of its proper divisors (57251309).

378641011 is a wasteful number, since it uses less digits than its factorization.

378641011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394973.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 378641011 is about 19458.7001364428. The cubic root of 378641011 is about 723.4511594723.

Adding to 378641011 its reverse (110146873), we get a palindrome (488787884).

The spelling of 378641011 in words is "three hundred seventy-eight million, six hundred forty-one thousand, eleven".