87867076878 has 96 divisors (see below), whose sum is σ = 222713127936. Its totient is φ = 24514536384.

The previous prime is 87867076861. The next prime is 87867076883.

87867076878 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2606700 + ... + 2640192.

It is an arithmetic number, because the mean of its divisors is an integer number (2319928416).

Almost surely, 2^87867076878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87867076878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111356563968).

87867076878 is an abundant number, since it is smaller than the sum of its proper divisors (134846051058).

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

87867076878 is a wasteful number, since it uses less digits than its factorization.

87867076878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33998 (or 33995 counting only the distinct ones).

The product of its (nonzero) digits is 354041856, while the sum is 72.

The spelling of 87867076878 in words is "eighty-seven billion, eight hundred sixty-seven million, seventy-six thousand, eight hundred seventy-eight".