87886268878 has 16 divisors (see below), whose sum is σ = 133157344320. Its totient is φ = 43500636000.

The previous prime is 87886268851. The next prime is 87886268879.

87886268878 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×87886268878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87886268879) by changing a digit.

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, 1263163 + ... + 1330921.

It is an arithmetic number, because the mean of its divisors is an integer number (8322334020).

Almost surely, 2^87886268878 is an apocalyptic number.

87886268878 is a deficient number, since it is larger than the sum of its proper divisors (45271075442).

87886268878 is a wasteful number, since it uses less digits than its factorization.

87886268878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74283.

The product of its digits is 924844032, while the sum is 76.

The spelling of 87886268878 in words is "eighty-seven billion, eight hundred eighty-six million, two hundred sixty-eight thousand, eight hundred seventy-eight".