378037358257 has 8 divisors (see below), whose sum is σ = 407208889640. Its totient is φ = 348878931840.

The previous prime is 378037358213. The next prime is 378037358267. The reversal of 378037358257 is 752853730873.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36050996641 + 341986361616 = 189871^2 + 584796^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 378037358257 - 2¹¹ = 378037356209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378037358267) 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, 3216282 + ... + 3331747.

It is an arithmetic number, because the mean of its divisors is an integer number (50901111205).

Almost surely, 2^378037358257 is an apocalyptic number.

It is an amenable number.

378037358257 is a deficient number, since it is larger than the sum of its proper divisors (29171531383).

378037358257 is a wasteful number, since it uses less digits than its factorization.

378037358257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552483.

The product of its (nonzero) digits is 29635200, while the sum is 58.

The spelling of 378037358257 in words is "three hundred seventy-eight billion, thirty-seven million, three hundred fifty-eight thousand, two hundred fifty-seven".