378799357 has 4 divisors (see below), whose sum is σ = 378851356. Its totient is φ = 378747360.

The previous prime is 378799277. The next prime is 378799373. The reversal of 378799357 is 753997873.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19545241 + 359254116 = 4421^2 + 18954^2 .

It is a cyclic number.

It is not a de Polignac number, because 378799357 - 2²³ = 370410749 is a prime.

It is a super-2 number, since 2×378799357² = 286977905727226898, which contains 22 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 (378499357) 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, 12858 + ... + 30379.

It is an arithmetic number, because the mean of its divisors is an integer number (94712839).

Almost surely, 2^378799357 is an apocalyptic number.

It is an amenable number.

378799357 is a deficient number, since it is larger than the sum of its proper divisors (51999).

378799357 is an equidigital number, since it uses as much as digits as its factorization.

378799357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51998.

The product of its digits is 10001880, while the sum is 58.

The square root of 378799357 is about 19462.7684824128. The cubic root of 378799357 is about 723.5519934450.

The spelling of 378799357 in words is "three hundred seventy-eight million, seven hundred ninety-nine thousand, three hundred fifty-seven".