378471147 has 8 divisors (see below), whose sum is σ = 505657920. Its totient is φ = 251799240.

The previous prime is 378471133. The next prime is 378471151. The reversal of 378471147 is 741174873.

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

It is not a de Polignac number, because 378471147 - 2¹¹ = 378469099 is a prime.

It is a super-2 number, since 2×378471147² = 286480818222991218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 378471099 and 378471108.

It is not an unprimeable number, because it can be changed into a prime (378471047) 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, 126997 + ... + 129942.

It is an arithmetic number, because the mean of its divisors is an integer number (63207240).

Almost surely, 2^378471147 is an apocalyptic number.

378471147 is a deficient number, since it is larger than the sum of its proper divisors (127186773).

378471147 is a wasteful number, since it uses less digits than its factorization.

378471147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257433.

The product of its digits is 131712, while the sum is 42.

The square root of 378471147 is about 19454.3349153858. The cubic root of 378471147 is about 723.3429596337.

The spelling of 378471147 in words is "three hundred seventy-eight million, four hundred seventy-one thousand, one hundred forty-seven".