37946779883318 has 4 divisors (see below), whose sum is σ = 56920169824980. Its totient is φ = 18973389941658.

The previous prime is 37946779883317. The next prime is 37946779883329. The reversal of 37946779883318 is 81338897764973.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37946779883317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9486694970828 + ... + 9486694970831.

It is an arithmetic number, because the mean of its divisors is an integer number (14230042456245).

Almost surely, 2^{37946779883318} is an apocalyptic number.

37946779883318 is a deficient number, since it is larger than the sum of its proper divisors (18973389941662).

37946779883318 is a wasteful number, since it uses less digits than its factorization.

37946779883318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973389941661.

The product of its digits is 9217732608, while the sum is 83.

The spelling of 37946779883318 in words is "thirty-seven trillion, nine hundred forty-six billion, seven hundred seventy-nine million, eight hundred eighty-three thousand, three hundred eighteen".