87466866478 has 16 divisors (see below), whose sum is σ = 131987224080. Its totient is φ = 43471745856.

The previous prime is 87466866457. The next prime is 87466866493.

87466866478 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, 127825 + ... + 437347.

It is an arithmetic number, because the mean of its divisors is an integer number (8249201505).

Almost surely, 2^87466866478 is an apocalyptic number.

87466866478 is a deficient number, since it is larger than the sum of its proper divisors (44520357602).

87466866478 is a wasteful number, since it uses less digits than its factorization.

87466866478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310371.

The product of its digits is 520224768, while the sum is 70.

The spelling of 87466866478 in words is "eighty-seven billion, four hundred sixty-six million, eight hundred sixty-six thousand, four hundred seventy-eight".