84864501 has 12 divisors (see below), whose sum is σ = 124895628. Its totient is φ = 55508544.

The previous prime is 84864491. The next prime is 84864517. The reversal of 84864501 is 10546848.

84864501 is a `hidden beast` number, since 8 + 4 + 8 + 645 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62821476 + 22043025 = 7926^2 + 4695^2 .

It is not a de Polignac number, because 84864501 - 2¹⁰ = 84863477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84864581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88480 + ... + 89433.

It is an arithmetic number, because the mean of its divisors is an integer number (10407969).

Almost surely, 2^84864501 is an apocalyptic number.

It is an amenable number.

84864501 is a deficient number, since it is larger than the sum of its proper divisors (40031127).

84864501 is a wasteful number, since it uses less digits than its factorization.

84864501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177972 (or 177969 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 84864501 is about 9212.1930613725. The cubic root of 84864501 is about 439.4492092253.

The spelling of 84864501 in words is "eighty-four million, eight hundred sixty-four thousand, five hundred one".