263012638088 has 36 divisors (see below), whose sum is σ = 509657016645. Its totient is φ = 127242421440.

The previous prime is 263012638087. The next prime is 263012638127. The reversal of 263012638088 is 880836210362.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 255892316164 + 7120321924 = 505858^2 + 84382^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=362638.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263012638087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44964188 + ... + 44970036.

Almost surely, 2^263012638088 is an apocalyptic number.

It is an amenable number.

263012638088 is a deficient number, since it is larger than the sum of its proper divisors (246644378557).

263012638088 is an frugal number, since it uses more digits than its factorization.

263012638088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11766 (or 5882 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 263012638088 in words is "two hundred sixty-three billion, twelve million, six hundred thirty-eight thousand, eighty-eight".