87268688536 has 8 divisors (see below), whose sum is σ = 163628791020. Its totient is φ = 43634344264.

The previous prime is 87268688489. The next prime is 87268688543. The reversal of 87268688536 is 63588686278.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5454293026 + ... + 5454293041.

Almost surely, 2^87268688536 is an apocalyptic number.

It is an amenable number.

87268688536 is a deficient number, since it is larger than the sum of its proper divisors (76360102484).

87268688536 is a wasteful number, since it uses less digits than its factorization.

87268688536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908586073 (or 10908586069 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 67.

The spelling of 87268688536 in words is "eighty-seven billion, two hundred sixty-eight million, six hundred eighty-eight thousand, five hundred thirty-six".