87835166997 has 8 divisors (see below), whose sum is σ = 117558855744. Its totient is φ = 58334128128.

The previous prime is 87835166989. The next prime is 87835166999. The reversal of 87835166997 is 79966153878.

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

It is not a de Polignac number, because 87835166997 - 2³ = 87835166989 is a prime.

It is a super-2 number, since 2×87835166997² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87835166999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55661548 + ... + 55663125.

It is an arithmetic number, because the mean of its divisors is an integer number (14694856968).

Almost surely, 2^87835166997 is an apocalyptic number.

It is an amenable number.

87835166997 is a deficient number, since it is larger than the sum of its proper divisors (29723688747).

87835166997 is a wasteful number, since it uses less digits than its factorization.

87835166997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111324939.

The product of its digits is 137168640, while the sum is 69.

The spelling of 87835166997 in words is "eighty-seven billion, eight hundred thirty-five million, one hundred sixty-six thousand, nine hundred ninety-seven".