79669709814527 has 16 divisors (see below), whose sum is σ = 93898481472000. Its totient is φ = 66185387933280.

The previous prime is 79669709814503. The next prime is 79669709814557. The reversal of 79669709814527 is 72541890796697.

It is a de Polignac number, because none of the positive numbers 2^k-79669709814527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79669709814557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358455652 + ... + 1358514297.

It is an arithmetic number, because the mean of its divisors is an integer number (5868655092000).

Almost surely, 2^{79669709814527} is an apocalyptic number.

79669709814527 is a deficient number, since it is larger than the sum of its proper divisors (14228771657473).

79669709814527 is a wasteful number, since it uses less digits than its factorization.

79669709814527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716970086.

The product of its (nonzero) digits is 2880541440, while the sum is 80.

The spelling of 79669709814527 in words is "seventy-nine trillion, six hundred sixty-nine billion, seven hundred nine million, eight hundred fourteen thousand, five hundred twenty-seven".