7845079399 has 8 divisors (see below), whose sum is σ = 7977540992. Its totient is φ = 7712742240.

The previous prime is 7845079397. The next prime is 7845079427. The reversal of 7845079399 is 9939705487.

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 7845079399 - 2¹ = 7845079397 is a prime.

It is a super-2 number, since 2×7845079399² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7845079397) 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 7 ways as a sum of consecutive naturals, for example, 100717 + ... + 160729.

It is an arithmetic number, because the mean of its divisors is an integer number (997192624).

Almost surely, 2^7845079399 is an apocalyptic number.

7845079399 is a deficient number, since it is larger than the sum of its proper divisors (132461593).

7845079399 is a wasteful number, since it uses less digits than its factorization.

7845079399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62217.

The product of its (nonzero) digits is 17146080, while the sum is 61.

The square root of 7845079399 is about 88572.4528225339. The cubic root of 7845079399 is about 1987.0057069328.

The spelling of 7845079399 in words is "seven billion, eight hundred forty-five million, seventy-nine thousand, three hundred ninety-nine".