87819598121066 has 8 divisors (see below), whose sum is σ = 150547882493280. Its totient is φ = 37636970623308.

The previous prime is 87819598121053. The next prime is 87819598121081. The reversal of 87819598121066 is 66012189591878.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3136414218596 + ... + 3136414218623.

It is an arithmetic number, because the mean of its divisors is an integer number (18818485311660).

Almost surely, 2^{87819598121066} is an apocalyptic number.

87819598121066 is a deficient number, since it is larger than the sum of its proper divisors (62728284372214).

87819598121066 is a wasteful number, since it uses less digits than its factorization.

87819598121066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272828437228.

The product of its (nonzero) digits is 104509440, while the sum is 71.

The spelling of 87819598121066 in words is "eighty-seven trillion, eight hundred nineteen billion, five hundred ninety-eight million, one hundred twenty-one thousand, sixty-six".