1000997976722 has 16 divisors (see below), whose sum is σ = 1589255304000. Its totient is φ = 471537281520.

The previous prime is 1000997976697. The next prime is 1000997976743. The reversal of 1000997976722 is 2276797990001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72761222 + ... + 72774977.

It is an arithmetic number, because the mean of its divisors is an integer number (99328456500).

Almost surely, 2^{1000997976722} is an apocalyptic number.

1000997976722 is a deficient number, since it is larger than the sum of its proper divisors (588257327278).

1000997976722 is a wasteful number, since it uses less digits than its factorization.

1000997976722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145536401.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 1000997976722 in words is "one trillion, nine hundred ninety-seven million, nine hundred seventy-six thousand, seven hundred twenty-two".