87266695811 has 8 divisors (see below), whose sum is σ = 87690909600. Its totient is φ = 86843477952.

The previous prime is 87266695777. The next prime is 87266695847. The reversal of 87266695811 is 11859666278.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87266695811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87266695871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73010 + ... + 424103.

It is an arithmetic number, because the mean of its divisors is an integer number (10961363700).

Almost surely, 2^87266695811 is an apocalyptic number.

87266695811 is a deficient number, since it is larger than the sum of its proper divisors (424213789).

87266695811 is a wasteful number, since it uses less digits than its factorization.

87266695811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497965.

The product of its digits is 8709120, while the sum is 59.

The spelling of 87266695811 in words is "eighty-seven billion, two hundred sixty-six million, six hundred ninety-five thousand, eight hundred eleven".