378228180037 has 4 divisors (see below), whose sum is σ = 378319787020. Its totient is φ = 378136573056.

The previous prime is 378228179969. The next prime is 378228180053. The reversal of 378228180037 is 730081822873.

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 121462008196 + 256766171841 = 348514^2 + 506721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378228180037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378228180097) 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, 45797298 + ... + 45805555.

It is an arithmetic number, because the mean of its divisors is an integer number (94579946755).

Almost surely, 2^378228180037 is an apocalyptic number.

It is an amenable number.

378228180037 is a deficient number, since it is larger than the sum of its proper divisors (91606983).

378228180037 is an equidigital number, since it uses as much as digits as its factorization.

378228180037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91606982.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 378228180037 in words is "three hundred seventy-eight billion, two hundred twenty-eight million, one hundred eighty thousand, thirty-seven".