426901887 has 8 divisors (see below), whose sum is σ = 632447280. Its totient is φ = 284601240.

The previous prime is 426901877. The next prime is 426901889. The reversal of 426901887 is 788109624.

It is not a de Polignac number, because 426901887 - 2¹⁵ = 426869119 is a prime.

It is a super-2 number, since 2×426901887² = 364490442248321538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426901889) 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, 7905564 + ... + 7905617.

It is an arithmetic number, because the mean of its divisors is an integer number (79055910).

Almost surely, 2^426901887 is an apocalyptic number.

426901887 is a deficient number, since it is larger than the sum of its proper divisors (205545393).

426901887 is a wasteful number, since it uses less digits than its factorization.

426901887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15811190 (or 15811184 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 426901887 is about 20661.6041729581. The cubic root of 426901887 is about 752.9671419449.

The spelling of 426901887 in words is "four hundred twenty-six million, nine hundred one thousand, eight hundred eighty-seven".