87106420536 has 32 divisors (see below), whose sum is σ = 217842604800. Its totient is φ = 29025266400.

The previous prime is 87106420519. The next prime is 87106420549. The reversal of 87106420536 is 63502460178.

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, 568096 + ... + 704943.

It is an arithmetic number, because the mean of its divisors is an integer number (6807581400).

Almost surely, 2^87106420536 is an apocalyptic number.

It is an amenable number.

87106420536 is an abundant number, since it is smaller than the sum of its proper divisors (130736184264).

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

87106420536 is a wasteful number, since it uses less digits than its factorization.

87106420536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275899 (or 1275895 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

It can be divided in two parts, 8710 and 6420536, that added together give a palindrome (6429246).

The spelling of 87106420536 in words is "eighty-seven billion, one hundred six million, four hundred twenty thousand, five hundred thirty-six".