87378446 has 8 divisors (see below), whose sum is σ = 131433840. Its totient is φ = 43567168.

The previous prime is 87378439. The next prime is 87378481. The reversal of 87378446 is 64487378.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87378446.

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, 60131 + ... + 61566.

It is an arithmetic number, because the mean of its divisors is an integer number (16429230).

Almost surely, 2^87378446 is an apocalyptic number.

87378446 is a deficient number, since it is larger than the sum of its proper divisors (44055394).

87378446 is a wasteful number, since it uses less digits than its factorization.

87378446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122058.

The product of its digits is 903168, while the sum is 47.

The square root of 87378446 is about 9347.6438742605. The cubic root of 87378446 is about 443.7463279204.

The spelling of 87378446 in words is "eighty-seven million, three hundred seventy-eight thousand, four hundred forty-six".