263480872788 has 48 divisors (see below), whose sum is σ = 780684069760. Its totient is φ = 75280249152.

The previous prime is 263480872771. The next prime is 263480872793. The reversal of 263480872788 is 887278084362.

263480872788 is a `hidden beast` number, since 2 + 6 + 3 + 480 + 8 + 72 + 7 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174259081 + ... + 174260592.

Almost surely, 2^263480872788 is an apocalyptic number.

263480872788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

263480872788 is an abundant number, since it is smaller than the sum of its proper divisors (517203196972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263480872788 is a wasteful number, since it uses less digits than its factorization.

263480872788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348519693 (or 348519685 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 63.

The spelling of 263480872788 in words is "two hundred sixty-three billion, four hundred eighty million, eight hundred seventy-two thousand, seven hundred eighty-eight".