997724072676 has 48 divisors (see below), whose sum is σ = 2332365856128. Its totient is φ = 331954560000.

The previous prime is 997724072641. The next prime is 997724072693. The reversal of 997724072676 is 676270427799.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30279106 + ... + 30312038.

It is an arithmetic number, because the mean of its divisors is an integer number (48590955336).

Almost surely, 2^997724072676 is an apocalyptic number.

It is an amenable number.

997724072676 is an abundant number, since it is smaller than the sum of its proper divisors (1334641783452).

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

997724072676 is a wasteful number, since it uses less digits than its factorization.

997724072676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37572 (or 37570 counting only the distinct ones).

The product of its (nonzero) digits is 112021056, while the sum is 66.

The spelling of 997724072676 in words is "nine hundred ninety-seven billion, seven hundred twenty-four million, seventy-two thousand, six hundred seventy-six".