87808966773 has 32 divisors (see below), whose sum is σ = 135195609600. Its totient is φ = 50134910400.

The previous prime is 87808966747. The next prime is 87808966793. The reversal of 87808966773 is 37766980878.

It is not a de Polignac number, because 87808966773 - 2⁶ = 87808966709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87808966698 and 87808966707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87808966733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278958 + ... + 503423.

It is an arithmetic number, because the mean of its divisors is an integer number (4224862800).

Almost surely, 2^87808966773 is an apocalyptic number.

It is an amenable number.

87808966773 is a deficient number, since it is larger than the sum of its proper divisors (47386642827).

87808966773 is a wasteful number, since it uses less digits than its factorization.

87808966773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782593.

The product of its (nonzero) digits is 170698752, while the sum is 69.

The spelling of 87808966773 in words is "eighty-seven billion, eight hundred eight million, nine hundred sixty-six thousand, seven hundred seventy-three".