87378006 has 16 divisors (see below), whose sum is σ = 174970224. Its totient is φ = 29090304.

The previous prime is 87377993. The next prime is 87378013. The reversal of 87378006 is 60087378.

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 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 13638.

It is an arithmetic number, because the mean of its divisors is an integer number (10935639).

Almost surely, 2^87378006 is an apocalyptic number.

87378006 is an abundant number, since it is smaller than the sum of its proper divisors (87592218).

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

87378006 is a wasteful number, since it uses less digits than its factorization.

87378006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17855.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 87378006 is about 9347.6203388884. The cubic root of 87378006 is about 443.7455830811.

The spelling of 87378006 in words is "eighty-seven million, three hundred seventy-eight thousand, six".