84524780 has 24 divisors (see below), whose sum is σ = 181833120. Its totient is φ = 32984960.

The previous prime is 84524773. The next prime is 84524789. The reversal of 84524780 is 8742548.

It is not an unprimeable number, because it can be changed into a prime (84524789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50720 + ... + 52359.

It is an arithmetic number, because the mean of its divisors is an integer number (7576380).

Almost surely, 2^84524780 is an apocalyptic number.

It is an amenable number.

84524780 is an abundant number, since it is smaller than the sum of its proper divisors (97308340).

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

84524780 is a wasteful number, since it uses less digits than its factorization.

84524780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103129 (or 103127 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 84524780 is about 9193.7359109341. The cubic root of 84524780 is about 438.8620387949.

The spelling of 84524780 in words is "eighty-four million, five hundred twenty-four thousand, seven hundred eighty".