997074143296 has 189 divisors, whose sum is σ = 2531420235981. Its totient is φ = 388230796800.

The previous prime is 997074143207. The next prime is 997074143323. The reversal of 997074143296 is 692341470799.

The square root of 997074143296 is 998536.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 766213112896 + 230861030400 = 875336^2 + 480480^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 615097366 + ... + 615098986.

Almost surely, 2^997074143296 is an apocalyptic number.

997074143296 is the 998536-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997074143296

997074143296 is an abundant number, since it is smaller than the sum of its proper divisors (1534346092685).

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

997074143296 is an equidigital number, since it uses as much as digits as its factorization.

997074143296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 1641 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 997074143296 in words is "nine hundred ninety-seven billion, seventy-four million, one hundred forty-three thousand, two hundred ninety-six".