87197109814 has 16 divisors (see below), whose sum is σ = 135042592896. Its totient is φ = 42183489600.

The previous prime is 87197109763. The next prime is 87197109841. The reversal of 87197109814 is 41890179178.

It is a super-2 number, since 2×87197109814² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165474 + ... + 449194.

It is an arithmetic number, because the mean of its divisors is an integer number (8440162056).

Almost surely, 2^87197109814 is an apocalyptic number.

87197109814 is a deficient number, since it is larger than the sum of its proper divisors (47845483082).

87197109814 is a wasteful number, since it uses less digits than its factorization.

87197109814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288711.

The product of its (nonzero) digits is 1016064, while the sum is 55.

The spelling of 87197109814 in words is "eighty-seven billion, one hundred ninety-seven million, one hundred nine thousand, eight hundred fourteen".