87872427878 has 8 divisors (see below), whose sum is σ = 131813567400. Its totient is φ = 43934572080.

The previous prime is 87872427869. The next prime is 87872427883.

87872427878 is nontrivially palindromic in base 10.

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

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 3 ways as a sum of consecutive naturals, for example, 752903 + ... + 861746.

It is an arithmetic number, because the mean of its divisors is an integer number (16476695925).

Almost surely, 2^87872427878 is an apocalyptic number.

87872427878 is a deficient number, since it is larger than the sum of its proper divisors (43941139522).

87872427878 is a wasteful number, since it uses less digits than its factorization.

87872427878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641862.

The product of its digits is 157351936, while the sum is 68.

The spelling of 87872427878 in words is "eighty-seven billion, eight hundred seventy-two million, four hundred twenty-seven thousand, eight hundred seventy-eight".