326263887 has 12 divisors (see below), whose sum is σ = 471446040. Its totient is φ = 217428048.

The previous prime is 326263853. The next prime is 326263907. The reversal of 326263887 is 788362623.

326263887 is a `hidden beast` number, since 3 + 2 + 6 + 2 + 638 + 8 + 7 = 666.

It is not a de Polignac number, because 326263887 - 2¹¹ = 326261839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326263187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28164 + ... + 38022.

It is an arithmetic number, because the mean of its divisors is an integer number (39287170).

Almost surely, 2^326263887 is an apocalyptic number.

326263887 is a deficient number, since it is larger than the sum of its proper divisors (145182153).

326263887 is a wasteful number, since it uses less digits than its factorization.

326263887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542 (or 13539 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 326263887 is about 18062.7762816240. The cubic root of 326263887 is about 688.4245277160.

The spelling of 326263887 in words is "three hundred twenty-six million, two hundred sixty-three thousand, eight hundred eighty-seven".