87694776957 has 8 divisors (see below), whose sum is σ = 117779846976. Its totient is φ = 58036445792.

The previous prime is 87694776943. The next prime is 87694776977. The reversal of 87694776957 is 75967749678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87694776957 - 2¹⁰ = 87694775933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87694776907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106684233 + ... + 106685054.

It is an arithmetic number, because the mean of its divisors is an integer number (14722480872).

Almost surely, 2^87694776957 is an apocalyptic number.

It is an amenable number.

87694776957 is a deficient number, since it is larger than the sum of its proper divisors (30085070019).

87694776957 is a wasteful number, since it uses less digits than its factorization.

87694776957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213369427.

The product of its digits is 1120210560, while the sum is 75.

The spelling of 87694776957 in words is "eighty-seven billion, six hundred ninety-four million, seven hundred seventy-six thousand, nine hundred fifty-seven".