87628134411860 has 24 divisors (see below), whose sum is σ = 210307522588800. Its totient is φ = 30043931798304.

The previous prime is 87628134411809. The next prime is 87628134411889. The reversal of 87628134411860 is 6811443182678.

It is a self number, because there is not a number n which added to its sum of digits gives 87628134411860.

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, 312957622760 + ... + 312957623039.

It is an arithmetic number, because the mean of its divisors is an integer number (8762813441200).

Almost surely, 2^{87628134411860} is an apocalyptic number.

It is an amenable number.

87628134411860 is an abundant number, since it is smaller than the sum of its proper divisors (122679388176940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87628134411860 is a wasteful number, since it uses less digits than its factorization.

87628134411860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625915245815 (or 625915245813 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 87628134411860 in words is "eighty-seven trillion, six hundred twenty-eight billion, one hundred thirty-four million, four hundred eleven thousand, eight hundred sixty".