84878316 has 18 divisors (see below), whose sum is σ = 214553612. Its totient is φ = 28292760.

The previous prime is 84878249. The next prime is 84878317. The reversal of 84878316 is 61387848.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (84878317) 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, 1178830 + ... + 1178901.

Almost surely, 2^84878316 is an apocalyptic number.

It is an amenable number.

84878316 is an abundant number, since it is smaller than the sum of its proper divisors (129675296).

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

84878316 is a wasteful number, since it uses less digits than its factorization.

84878316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357741 (or 2357736 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 84878316 is about 9212.9428523138. The cubic root of 84878316 is about 439.4730537514.

The spelling of 84878316 in words is "eighty-four million, eight hundred seventy-eight thousand, three hundred sixteen".