79286378065 has 8 divisors (see below), whose sum is σ = 95145361920. Its totient is φ = 63427963632.

The previous prime is 79286378063. The next prime is 79286378153. The reversal of 79286378065 is 56087368297.

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 79286378065 - 2¹ = 79286378063 is a prime.

It is a super-2 number, since 2×79286378065² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79286377994 and 79286378012.

It is not an unprimeable number, because it can be changed into a prime (79286378063) 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, 275466 + ... + 484204.

It is an arithmetic number, because the mean of its divisors is an integer number (11893170240).

Almost surely, 2^79286378065 is an apocalyptic number.

It is an amenable number.

79286378065 is a deficient number, since it is larger than the sum of its proper divisors (15858983855).

79286378065 is a wasteful number, since it uses less digits than its factorization.

79286378065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284711.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 79286378065 in words is "seventy-nine billion, two hundred eighty-six million, three hundred seventy-eight thousand, sixty-five".