794511397905 has 16 divisors (see below), whose sum is σ = 1272708548160. Its totient is φ = 423242641728.

The previous prime is 794511397817. The next prime is 794511397907. The reversal of 794511397905 is 509793115497.

It is not a de Polignac number, because 794511397905 - 2¹¹ = 794511395857 is a prime.

It is a super-2 number, since 2×794511397905² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (794511397907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31034935 + ... + 31060524.

It is an arithmetic number, because the mean of its divisors is an integer number (79544284260).

Almost surely, 2^794511397905 is an apocalyptic number.

It is an amenable number.

794511397905 is a deficient number, since it is larger than the sum of its proper divisors (478197150255).

794511397905 is a wasteful number, since it uses less digits than its factorization.

794511397905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62096320.

The product of its (nonzero) digits is 10716300, while the sum is 60.

The spelling of 794511397905 in words is "seven hundred ninety-four billion, five hundred eleven million, three hundred ninety-seven thousand, nine hundred five".