102798808 has 32 divisors (see below), whose sum is σ = 225660960. Its totient is φ = 42981120.

The previous prime is 102798793. The next prime is 102798809. The reversal of 102798808 is 808897201.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102798809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20091 + ... + 24682.

It is an arithmetic number, because the mean of its divisors is an integer number (7051905).

Almost surely, 2^102798808 is an apocalyptic number.

It is an amenable number.

102798808 is an abundant number, since it is smaller than the sum of its proper divisors (122862152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102798808 is a wasteful number, since it uses less digits than its factorization.

102798808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44827 (or 44823 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 102798808 is about 10138.9747016155. The cubic root of 102798808 is about 468.4494063799.

The spelling of 102798808 in words is "one hundred two million, seven hundred ninety-eight thousand, eight hundred eight".