84525378 has 32 divisors (see below), whose sum is σ = 194334336. Its totient is φ = 24008448.

The previous prime is 84525367. The next prime is 84525379. The reversal of 84525378 is 87352548.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (84525379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 13082.

It is an arithmetic number, because the mean of its divisors is an integer number (6072948).

Almost surely, 2^84525378 is an apocalyptic number.

84525378 is an abundant number, since it is smaller than the sum of its proper divisors (109808958).

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

84525378 is a wasteful number, since it uses less digits than its factorization.

84525378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818.

The product of its digits is 268800, while the sum is 42.

The square root of 84525378 is about 9193.7684330203. The cubic root of 84525378 is about 438.8630737533.

The spelling of 84525378 in words is "eighty-four million, five hundred twenty-five thousand, three hundred seventy-eight".