426876780 has 192 divisors, whose sum is σ = 1385911296. Its totient is φ = 97152000.

The previous prime is 426876721. The next prime is 426876797. The reversal of 426876780 is 87678624.

It is a super-3 number, since 3×426876780³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 925750 + ... + 926210.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^426876780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426876780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692955648).

426876780 is an abundant number, since it is smaller than the sum of its proper divisors (959034516).

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

426876780 is a wasteful number, since it uses less digits than its factorization.

426876780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 426876780 is about 20660.9965877738. The cubic root of 426876780 is about 752.9523804605.

The spelling of 426876780 in words is "four hundred twenty-six million, eight hundred seventy-six thousand, seven hundred eighty".