243087647796 has 108 divisors (see below), whose sum is σ = 714940061472. Its totient is φ = 69439368096.

The previous prime is 243087647791. The next prime is 243087647801. The reversal of 243087647796 is 697746780342.

It is a happy number.

243087647796 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 8 + 76 + 477 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (243087647791) and next prime (243087647801).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243087647791) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11036931 + ... + 11058933.

It is an arithmetic number, because the mean of its divisors is an integer number (6619815384).

Almost surely, 2^243087647796 is an apocalyptic number.

It is an amenable number.

243087647796 is an abundant number, since it is smaller than the sum of its proper divisors (471852413676).

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

243087647796 is a wasteful number, since it uses less digits than its factorization.

243087647796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28290 (or 28278 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 243087647796 in words is "two hundred forty-three billion, eighty-seven million, six hundred forty-seven thousand, seven hundred ninety-six".