678102009603 has 8 divisors (see below), whose sum is σ = 904143618048. Its totient is φ = 452064203784.

The previous prime is 678102009581. The next prime is 678102009647. The reversal of 678102009603 is 306900201876.

It is a happy number.

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

It is not a de Polignac number, because 678102009603 - 2²⁸ = 677833574147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678102009803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504675 + ... + 1269212.

It is an arithmetic number, because the mean of its divisors is an integer number (113017952256).

Almost surely, 2^678102009603 is an apocalyptic number.

678102009603 is a deficient number, since it is larger than the sum of its proper divisors (226041608445).

678102009603 is a wasteful number, since it uses less digits than its factorization.

678102009603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901313.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 678102009603 in words is "six hundred seventy-eight billion, one hundred two million, nine thousand, six hundred three".