797914494136 has 8 divisors (see below), whose sum is σ = 1496089676520. Its totient is φ = 398957247064.

The previous prime is 797914494109. The next prime is 797914494199. The reversal of 797914494136 is 631494419797.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49869655876 + ... + 49869655891.

It is an arithmetic number, because the mean of its divisors is an integer number (187011209565).

Almost surely, 2^797914494136 is an apocalyptic number.

It is an amenable number.

797914494136 is a deficient number, since it is larger than the sum of its proper divisors (698175182384).

797914494136 is a wasteful number, since it uses less digits than its factorization.

797914494136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99739311773 (or 99739311769 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 64.

The spelling of 797914494136 in words is "seven hundred ninety-seven billion, nine hundred fourteen million, four hundred ninety-four thousand, one hundred thirty-six".