797491090000 has 100 divisors (see below), whose sum is σ = 2106333757440. Its totient is φ = 289996720000.

The previous prime is 797491089971. The next prime is 797491090021. The reversal of 797491090000 is 90194797.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3514960 + ... + 3734959.

Almost surely, 2^797491090000 is an apocalyptic number.

It is an amenable number.

797491090000 is an abundant number, since it is smaller than the sum of its proper divisors (1308842667440).

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

797491090000 is a wasteful number, since it uses less digits than its factorization.

797491090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7249958 (or 7249937 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 46.

The spelling of 797491090000 in words is "seven hundred ninety-seven billion, four hundred ninety-one million, ninety thousand".