8487378 has 12 divisors (see below), whose sum is σ = 18389358. Its totient is φ = 2829120.

The previous prime is 8487377. The next prime is 8487379. The reversal of 8487378 is 8737848.

It is an interprime number because it is at equal distance from previous prime (8487377) and next prime (8487379).

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 2152089 = 2517^2 + 1467^2 .

It is not an unprimeable number, because it can be changed into a prime (8487371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235743 + ... + 235778.

Almost surely, 2^8487378 is an apocalyptic number.

8487378 is an abundant number, since it is smaller than the sum of its proper divisors (9901980).

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

8487378 is a wasteful number, since it uses less digits than its factorization.

8487378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471529 (or 471526 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 8487378 is about 2913.3104880874. The cubic root of 8487378 is about 203.9816880910.

The spelling of 8487378 in words is "eight million, four hundred eighty-seven thousand, three hundred seventy-eight".