426220678 has 16 divisors (see below), whose sum is σ = 688877280. Its totient is φ = 196612416.

The previous prime is 426220667. The next prime is 426220679. The reversal of 426220678 is 876022624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426220679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67951 + ... + 73957.

It is an arithmetic number, because the mean of its divisors is an integer number (43054830).

Almost surely, 2^426220678 is an apocalyptic number.

426220678 is a deficient number, since it is larger than the sum of its proper divisors (262656602).

426220678 is a wasteful number, since it uses less digits than its factorization.

426220678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 426220678 is about 20645.1126904166. The cubic root of 426220678 is about 752.5664245290.

The spelling of 426220678 in words is "four hundred twenty-six million, two hundred twenty thousand, six hundred seventy-eight".