87157026606 has 32 divisors (see below), whose sum is σ = 198765348768. Its totient is φ = 25240043520.

The previous prime is 87157026571. The next prime is 87157026631. The reversal of 87157026606 is 60662075178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32863315 + ... + 32865966.

It is an arithmetic number, because the mean of its divisors is an integer number (6211417149).

Almost surely, 2^87157026606 is an apocalyptic number.

87157026606 is an abundant number, since it is smaller than the sum of its proper divisors (111608322162).

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

87157026606 is a wasteful number, since it uses less digits than its factorization.

87157026606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65729316.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 87157026606 in words is "eighty-seven billion, one hundred fifty-seven million, twenty-six thousand, six hundred six".