8102551869979 has 16 divisors (see below), whose sum is σ = 9280910216448. Its totient is φ = 6929409539232.

The previous prime is 8102551869943. The next prime is 8102551869989. The reversal of 8102551869979 is 9799681552018.

It is a cyclic number.

It is not a de Polignac number, because 8102551869979 - 2²³ = 8102543481371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8102551869989) 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, 30606609 + ... + 30870205.

It is an arithmetic number, because the mean of its divisors is an integer number (580056888528).

Almost surely, 2^{8102551869979} is an apocalyptic number.

8102551869979 is a deficient number, since it is larger than the sum of its proper divisors (1178358346469).

8102551869979 is a wasteful number, since it uses less digits than its factorization.

8102551869979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273474.

The product of its (nonzero) digits is 97977600, while the sum is 70.

The spelling of 8102551869979 in words is "eight trillion, one hundred two billion, five hundred fifty-one million, eight hundred sixty-nine thousand, nine hundred seventy-nine".