678070050 has 96 divisors (see below), whose sum is σ = 1928638464. Its totient is φ = 154440000.

The previous prime is 678070049. The next prime is 678070069. The reversal of 678070050 is 50070876.

It is a junction number, because it is equal to n+sod(n) for n = 678069993 and 678070020.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 346575 + ... + 348525.

It is an arithmetic number, because the mean of its divisors is an integer number (20089984).

Almost surely, 2^678070050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 678070050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (964319232).

678070050 is an abundant number, since it is smaller than the sum of its proper divisors (1250568414).

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

678070050 is a wasteful number, since it uses less digits than its factorization.

678070050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 678070050 is about 26039.7782248621. The cubic root of 678070050 is about 878.5332185492.

The spelling of 678070050 in words is "six hundred seventy-eight million, seventy thousand, fifty".