678416898910 has 16 divisors (see below), whose sum is σ = 1221168312000. Its totient is φ = 271362783136.

The previous prime is 678416898889. The next prime is 678416898941. The reversal of 678416898910 is 19898614876.

It is a super-2 number, since 2×678416898910² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276891 + ... + 1197289.

It is an arithmetic number, because the mean of its divisors is an integer number (76323019500).

Almost surely, 2^678416898910 is an apocalyptic number.

678416898910 is a deficient number, since it is larger than the sum of its proper divisors (542751413090).

678416898910 is a wasteful number, since it uses less digits than its factorization.

678416898910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994115.

The product of its (nonzero) digits is 41803776, while the sum is 67.

The spelling of 678416898910 in words is "six hundred seventy-eight billion, four hundred sixteen million, eight hundred ninety-eight thousand, nine hundred ten".