678116136 has 32 divisors (see below), whose sum is σ = 1712773440. Its totient is φ = 223707648.

The previous prime is 678116123. The next prime is 678116147. The reversal of 678116136 is 631611876.

It is a junction number, because it is equal to n+sod(n) for n = 678116094 and 678116103.

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, 143316 + ... + 147971.

It is an arithmetic number, because the mean of its divisors is an integer number (53524170).

Almost surely, 2^678116136 is an apocalyptic number.

It is an amenable number.

678116136 is an abundant number, since it is smaller than the sum of its proper divisors (1034657304).

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

678116136 is a wasteful number, since it uses less digits than its factorization.

678116136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291393 (or 291389 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 678116136 is about 26040.6631251971. The cubic root of 678116136 is about 878.5531216868.

The spelling of 678116136 in words is "six hundred seventy-eight million, one hundred sixteen thousand, one hundred thirty-six".