997763522 has 16 divisors (see below), whose sum is σ = 1732104960. Its totient is φ = 422199648.

The previous prime is 997763521. The next prime is 997763527. The reversal of 997763522 is 225367799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (997763521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449963 + ... + 452174.

It is an arithmetic number, because the mean of its divisors is an integer number (108256560).

Almost surely, 2^997763522 is an apocalyptic number.

997763522 is a deficient number, since it is larger than the sum of its proper divisors (734341438).

997763522 is a wasteful number, since it uses less digits than its factorization.

997763522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902225.

The product of its digits is 1428840, while the sum is 50.

The square root of 997763522 is about 31587.3949859750. The cubic root of 997763522 is about 999.2539508825.

The spelling of 997763522 in words is "nine hundred ninety-seven million, seven hundred sixty-three thousand, five hundred twenty-two".