378268771 has 4 divisors (see below), whose sum is σ = 378460000. Its totient is φ = 378077544.

The previous prime is 378268769. The next prime is 378268783. The reversal of 378268771 is 177862873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177862873 = 1871 ⋅95063.

It is a cyclic number.

It is not a de Polignac number, because 378268771 - 2¹ = 378268769 is a prime.

It is a super-2 number, since 2×378268771² = 286174526227700882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378248771) 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, 92616 + ... + 96613.

It is an arithmetic number, because the mean of its divisors is an integer number (94615000).

Almost surely, 2^378268771 is an apocalyptic number.

378268771 is a deficient number, since it is larger than the sum of its proper divisors (191229).

378268771 is a wasteful number, since it uses less digits than its factorization.

378268771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191228.

The product of its digits is 790272, while the sum is 49.

The square root of 378268771 is about 19449.1329112637. The cubic root of 378268771 is about 723.2140080559.

The spelling of 378268771 in words is "three hundred seventy-eight million, two hundred sixty-eight thousand, seven hundred seventy-one".