79927101849 has 16 divisors (see below), whose sum is σ = 128203873280. Its totient is φ = 43268806800.

The previous prime is 79927101847. The next prime is 79927101851. The reversal of 79927101849 is 94810172997.

It is an interprime number because it is at equal distance from previous prime (79927101847) and next prime (79927101851).

It is not a de Polignac number, because 79927101849 - 2¹ = 79927101847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (79927101847) 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, 100158877 + ... + 100159674.

It is an arithmetic number, because the mean of its divisors is an integer number (8012742080).

Almost surely, 2^79927101849 is an apocalyptic number.

It is an amenable number.

79927101849 is a deficient number, since it is larger than the sum of its proper divisors (48276771431).

79927101849 is a wasteful number, since it uses less digits than its factorization.

79927101849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200318580.

The product of its (nonzero) digits is 2286144, while the sum is 57.

The spelling of 79927101849 in words is "seventy-nine billion, nine hundred twenty-seven million, one hundred one thousand, eight hundred forty-nine".