68437698678 has 24 divisors (see below), whose sum is σ = 148360753008. Its totient is φ = 22800401232.

The previous prime is 68437698661. The next prime is 68437698701. The reversal of 68437698678 is 87689673486.

68437698678 is a `hidden beast` number, since 68 + 437 + 69 + 8 + 6 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979026 + ... + 1046597.

It is an arithmetic number, because the mean of its divisors is an integer number (6181698042).

Almost surely, 2^68437698678 is an apocalyptic number.

68437698678 is an abundant number, since it is smaller than the sum of its proper divisors (79923054330).

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

68437698678 is a wasteful number, since it uses less digits than its factorization.

68437698678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027508 (or 2027505 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 72.

The spelling of 68437698678 in words is "sixty-eight billion, four hundred thirty-seven million, six hundred ninety-eight thousand, six hundred seventy-eight".