791179238547 has 36 divisors (see below), whose sum is σ = 1189351905160. Its totient is φ = 519808224600.

The previous prime is 791179238539. The next prime is 791179238557. The reversal of 791179238547 is 745832971197.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

791179238547 is a `hidden beast` number, since 7 + 9 + 11 + 79 + 2 + 3 + 8 + 547 = 666.

It is not a de Polignac number, because 791179238547 - 2³ = 791179238539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791179238557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 328152772 + ... + 328155182.

Almost surely, 2^791179238547 is an apocalyptic number.

791179238547 is a deficient number, since it is larger than the sum of its proper divisors (398172666613).

791179238547 is an frugal number, since it uses more digits than its factorization.

791179238547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973 (or 2485 counting only the distinct ones).

The product of its digits is 26671680, while the sum is 63.

The spelling of 791179238547 in words is "seven hundred ninety-one billion, one hundred seventy-nine million, two hundred thirty-eight thousand, five hundred forty-seven".