378077471 has 4 divisors (see below), whose sum is σ = 378905232. Its totient is φ = 377249712.

The previous prime is 378077459. The next prime is 378077477. The reversal of 378077471 is 174770873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378077471 - 2⁶ = 378077407 is a prime.

It is a super-3 number, since 3×378077471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378077477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413195 + ... + 414108.

It is an arithmetic number, because the mean of its divisors is an integer number (94726308).

Almost surely, 2^378077471 is an apocalyptic number.

378077471 is a deficient number, since it is larger than the sum of its proper divisors (827761).

378077471 is an equidigital number, since it uses as much as digits as its factorization.

378077471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827760.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 378077471 is about 19444.2143322892. The cubic root of 378077471 is about 723.0920716803.

The spelling of 378077471 in words is "three hundred seventy-eight million, seventy-seven thousand, four hundred seventy-one".