87730312468 has 12 divisors (see below), whose sum is σ = 154936561780. Its totient is φ = 43462723392.

The previous prime is 87730312457. The next prime is 87730312469. The reversal of 87730312468 is 86421303778.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77166172944 + 10564139524 = 277788^2 + 102782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87730312469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100607721 + ... + 100608592.

Almost surely, 2^87730312468 is an apocalyptic number.

It is an amenable number.

87730312468 is a deficient number, since it is larger than the sum of its proper divisors (67206249312).

87730312468 is a wasteful number, since it uses less digits than its factorization.

87730312468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201216426 (or 201216424 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 87730312468 in words is "eighty-seven billion, seven hundred thirty million, three hundred twelve thousand, four hundred sixty-eight".