79851469 has 8 divisors (see below), whose sum is σ = 83926080. Its totient is φ = 75827136.

The previous prime is 79851463. The next prime is 79851479. The reversal of 79851469 is 96415897.

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

It is not a de Polignac number, because 79851469 - 2¹⁷ = 79720397 is a prime.

It is a super-2 number, since 2×79851469² = 12752514202915922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79851463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9292 + ... + 15685.

It is an arithmetic number, because the mean of its divisors is an integer number (10490760).

Almost surely, 2^79851469 is an apocalyptic number.

It is an amenable number.

79851469 is a deficient number, since it is larger than the sum of its proper divisors (4074611).

79851469 is a wasteful number, since it uses less digits than its factorization.

79851469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25139.

The product of its digits is 544320, while the sum is 49.

The square root of 79851469 is about 8935.9649171200. The cubic root of 79851469 is about 430.6201058522.

The spelling of 79851469 in words is "seventy-nine million, eight hundred fifty-one thousand, four hundred sixty-nine".