425769678 has 24 divisors (see below), whose sum is σ = 923273208. Its totient is φ = 141804432.

The previous prime is 425769671. The next prime is 425769679. The reversal of 425769678 is 876967524.

425769678 is a `hidden beast` number, since 4 + 2 + 576 + 9 + 67 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425769671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13725 + ... + 32247.

It is an arithmetic number, because the mean of its divisors is an integer number (38469717).

Almost surely, 2^425769678 is an apocalyptic number.

425769678 is an abundant number, since it is smaller than the sum of its proper divisors (497503530).

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

425769678 is a wasteful number, since it uses less digits than its factorization.

425769678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808 (or 19805 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 425769678 is about 20634.1871174999. The cubic root of 425769678 is about 752.3008913138.

The spelling of 425769678 in words is "four hundred twenty-five million, seven hundred sixty-nine thousand, six hundred seventy-eight".