79487804469 has 8 divisors (see below), whose sum is σ = 106360906752. Its totient is φ = 52803285920.

The previous prime is 79487804401. The next prime is 79487804479. The reversal of 79487804469 is 96440878497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79487804469 - 2¹³ = 79487796277 is a prime.

It is a super-2 number, since 2×79487804469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79487804479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47144949 + ... + 47146634.

It is an arithmetic number, because the mean of its divisors is an integer number (13295113344).

Almost surely, 2^79487804469 is an apocalyptic number.

It is an amenable number.

79487804469 is a deficient number, since it is larger than the sum of its proper divisors (26873102283).

79487804469 is a wasteful number, since it uses less digits than its factorization.

79487804469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94291867.

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 79487804469 in words is "seventy-nine billion, four hundred eighty-seven million, eight hundred four thousand, four hundred sixty-nine".