87235356766 has 16 divisors (see below), whose sum is σ = 132247090800. Its totient is φ = 43154166528.

The previous prime is 87235356743. The next prime is 87235356841. The reversal of 87235356766 is 66765353278.

It is a super-2 number, since 2×87235356766² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87235356766.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144051 + ... + 441838.

It is an arithmetic number, because the mean of its divisors is an integer number (8265443175).

Almost surely, 2^87235356766 is an apocalyptic number.

87235356766 is a deficient number, since it is larger than the sum of its proper divisors (45011734034).

87235356766 is a wasteful number, since it uses less digits than its factorization.

87235356766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586683.

The product of its digits is 38102400, while the sum is 58.

The spelling of 87235356766 in words is "eighty-seven billion, two hundred thirty-five million, three hundred fifty-six thousand, seven hundred sixty-six".