87266866278 has 64 divisors (see below), whose sum is σ = 184430880000. Its totient is φ = 27451509120.

The previous prime is 87266866249. The next prime is 87266866327.

87266866278 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58215973 + ... + 58217471.

It is an arithmetic number, because the mean of its divisors is an integer number (2881732500).

Almost surely, 2^87266866278 is an apocalyptic number.

87266866278 is an abundant number, since it is smaller than the sum of its proper divisors (97164013722).

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

87266866278 is a wasteful number, since it uses less digits than its factorization.

87266866278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its digits is 130056192, while the sum is 66.

The spelling of 87266866278 in words is "eighty-seven billion, two hundred sixty-six million, eight hundred sixty-six thousand, two hundred seventy-eight".