87800878 has 16 divisors (see below), whose sum is σ = 144017280. Its totient is φ = 39814200.

The previous prime is 87800861. The next prime is 87800891.

87800878 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 7 ways as a sum of consecutive naturals, for example, 5113 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (9001080).

Almost surely, 2^87800878 is an apocalyptic number.

87800878 is a deficient number, since it is larger than the sum of its proper divisors (56216402).

87800878 is a wasteful number, since it uses less digits than its factorization.

87800878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543.

The product of its (nonzero) digits is 200704, while the sum is 46.

The square root of 87800878 is about 9370.2122708080. The cubic root of 87800878 is about 444.4602773573.

It can be divided in two parts, 87800 and 878, that multiplied together give a square (77088400 = 8780²).

The spelling of 87800878 in words is "eighty-seven million, eight hundred thousand, eight hundred seventy-eight".