79353840457287 has 48 divisors (see below), whose sum is σ = 127545996359808. Its totient is φ = 47132376258240.

The previous prime is 79353840457237. The next prime is 79353840457291. The reversal of 79353840457287 is 78275404835397.

79353840457287 is a `hidden beast` number, since 7 + 9 + 3 + 5 + 3 + 8 + 40 + 4 + 572 + 8 + 7 = 666.

It is not a de Polignac number, because 79353840457287 - 2⁷ = 79353840457159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79353840457237) 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 47 ways as a sum of consecutive naturals, for example, 3930693 + ... + 13196894.

It is an arithmetic number, because the mean of its divisors is an integer number (2657208257496).

Almost surely, 2^{79353840457287} is an apocalyptic number.

79353840457287 is a deficient number, since it is larger than the sum of its proper divisors (48192155902521).

79353840457287 is a wasteful number, since it uses less digits than its factorization.

79353840457287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128540 (or 17128537 counting only the distinct ones).

The product of its (nonzero) digits is 1422489600, while the sum is 72.

The spelling of 79353840457287 in words is "seventy-nine trillion, three hundred fifty-three billion, eight hundred forty million, four hundred fifty-seven thousand, two hundred eighty-seven".