426263687 has 8 divisors (see below), whose sum is σ = 440677776. Its totient is φ = 412054272.

The previous prime is 426263653. The next prime is 426263693. The reversal of 426263687 is 786362624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426263687 - 2²⁶ = 359154823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426263647) 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, 46928 + ... + 55269.

It is an arithmetic number, because the mean of its divisors is an integer number (55084722).

Almost surely, 2^426263687 is an apocalyptic number.

426263687 is a deficient number, since it is larger than the sum of its proper divisors (14414089).

426263687 is a wasteful number, since it uses less digits than its factorization.

426263687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102337.

The product of its digits is 580608, while the sum is 44.

The square root of 426263687 is about 20646.1542908116. The cubic root of 426263687 is about 752.5917369570.

The spelling of 426263687 in words is "four hundred twenty-six million, two hundred sixty-three thousand, six hundred eighty-seven".