378735471 has 6 divisors (see below), whose sum is σ = 547062360. Its totient is φ = 252490308.

The previous prime is 378735451. The next prime is 378735479. The reversal of 378735471 is 174537873.

378735471 is a `hidden beast` number, since 37 + 8 + 73 + 547 + 1 = 666.

It is not a de Polignac number, because 378735471 - 2¹⁵ = 378702703 is a prime.

It is a super-3 number, since 3×378735471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378735479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21040851 + ... + 21040868.

It is an arithmetic number, because the mean of its divisors is an integer number (91177060).

Almost surely, 2^378735471 is an apocalyptic number.

378735471 is a deficient number, since it is larger than the sum of its proper divisors (168326889).

378735471 is a wasteful number, since it uses less digits than its factorization.

378735471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42081725 (or 42081722 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 378735471 is about 19461.1271770162. The cubic root of 378735471 is about 723.5113145291.

The spelling of 378735471 in words is "three hundred seventy-eight million, seven hundred thirty-five thousand, four hundred seventy-one".