378707013 has 6 divisors (see below), whose sum is σ = 547021254. Its totient is φ = 252471336.

The previous prime is 378707009. The next prime is 378707041. The reversal of 378707013 is 310707873.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 340291809 + 38415204 = 18447^2 + 6198^2 .

It is not a de Polignac number, because 378707013 - 2² = 378707009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378707083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21039270 + ... + 21039287.

It is an arithmetic number, because the mean of its divisors is an integer number (91170209).

Almost surely, 2^378707013 is an apocalyptic number.

It is an amenable number.

378707013 is a deficient number, since it is larger than the sum of its proper divisors (168314241).

378707013 is a wasteful number, since it uses less digits than its factorization.

378707013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42078563 (or 42078560 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 378707013 is about 19460.3960134423. The cubic root of 378707013 is about 723.4931926452.

The spelling of 378707013 in words is "three hundred seventy-eight million, seven hundred seven thousand, thirteen".