426687770 has 16 divisors (see below), whose sum is σ = 769712328. Its totient is φ = 170303040.

The previous prime is 426687757. The next prime is 426687791. The reversal of 426687770 is 77786624.

It can be written as a sum of positive squares in 4 ways, for example, as 210627169 + 216060601 = 14513^2 + 14699^2 .

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 7 ways as a sum of consecutive naturals, for example, 41669 + ... + 50888.

Almost surely, 2^426687770 is an apocalyptic number.

426687770 is a deficient number, since it is larger than the sum of its proper divisors (343024558).

426687770 is a wasteful number, since it uses less digits than its factorization.

426687770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93025.

The product of its (nonzero) digits is 790272, while the sum is 47.

The square root of 426687770 is about 20656.4220038224. The cubic root of 426687770 is about 752.8412347733.

The spelling of 426687770 in words is "four hundred twenty-six million, six hundred eighty-seven thousand, seven hundred seventy".