102068878 has 4 divisors (see below), whose sum is σ = 153103320. Its totient is φ = 51034438.

The previous prime is 102068873. The next prime is 102068887. The reversal of 102068878 is 878860201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 878860201 = 1217 ⋅722153.

It is a self number, because there is not a number n which added to its sum of digits gives 102068878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102068873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25517218 + ... + 25517221.

It is an arithmetic number, because the mean of its divisors is an integer number (38275830).

Almost surely, 2^102068878 is an apocalyptic number.

102068878 is a deficient number, since it is larger than the sum of its proper divisors (51034442).

102068878 is an equidigital number, since it uses as much as digits as its factorization.

102068878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51034441.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 102068878 is about 10102.9143320133. The cubic root of 102068878 is about 467.3380193212.

The spelling of 102068878 in words is "one hundred two million, sixty-eight thousand, eight hundred seventy-eight".