102688405179 has 8 divisors (see below), whose sum is σ = 136922360832. Its totient is φ = 68456693160.

The previous prime is 102688405153. The next prime is 102688405217. The reversal of 102688405179 is 971504886201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102688405179 - 2¹⁶ = 102688339643 is a prime.

It is a super-3 number, since 3×102688405179³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102688405129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451039 + ... + 639384.

It is an arithmetic number, because the mean of its divisors is an integer number (17115295104).

Almost surely, 2^102688405179 is an apocalyptic number.

102688405179 is a deficient number, since it is larger than the sum of its proper divisors (34233955653).

102688405179 is a wasteful number, since it uses less digits than its factorization.

102688405179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121817.

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 102688405179 in words is "one hundred two billion, six hundred eighty-eight million, four hundred five thousand, one hundred seventy-nine".