426875905 has 4 divisors (see below), whose sum is σ = 512251092. Its totient is φ = 341500720.

The previous prime is 426875893. The next prime is 426875941. The reversal of 426875905 is 509578624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214066161 + 212809744 = 14631^2 + 14588^2 .

It is a de Polignac number, because none of the positive numbers 2^k-426875905 is a prime.

It is a super-3 number, since 3×426875905³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42687586 + ... + 42687595.

It is an arithmetic number, because the mean of its divisors is an integer number (128062773).

Almost surely, 2^426875905 is an apocalyptic number.

It is an amenable number.

426875905 is a deficient number, since it is larger than the sum of its proper divisors (85375187).

426875905 is an equidigital number, since it uses as much as digits as its factorization.

426875905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85375186.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 426875905 is about 20660.9754125985. The cubic root of 426875905 is about 752.9518659999.

The spelling of 426875905 in words is "four hundred twenty-six million, eight hundred seventy-five thousand, nine hundred five".