1397771174202 has 16 divisors (see below), whose sum is σ = 3010584067680. Its totient is φ = 430083438192.

The previous prime is 1397771174197. The next prime is 1397771174249. The reversal of 1397771174202 is 2024711777931.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8960071552 + ... + 8960071707.

It is an arithmetic number, because the mean of its divisors is an integer number (188161504230).

Almost surely, 2^{1397771174202} is an apocalyptic number.

1397771174202 is an abundant number, since it is smaller than the sum of its proper divisors (1612812893478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397771174202 is a wasteful number, since it uses less digits than its factorization.

1397771174202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920143277.

The product of its (nonzero) digits is 1037232, while the sum is 51.

The spelling of 1397771174202 in words is "one trillion, three hundred ninety-seven billion, seven hundred seventy-one million, one hundred seventy-four thousand, two hundred two".