84863465 has 4 divisors (see below), whose sum is σ = 101836164. Its totient is φ = 67890768.

The previous prime is 84863447. The next prime is 84863477. The reversal of 84863465 is 56436848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23193856 + 61669609 = 4816^2 + 7853^2 .

It is a cyclic number.

It is not a de Polignac number, because 84863465 - 2¹⁰ = 84862441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8486342 + ... + 8486351.

It is an arithmetic number, because the mean of its divisors is an integer number (25459041).

Almost surely, 2^84863465 is an apocalyptic number.

It is an amenable number.

84863465 is a deficient number, since it is larger than the sum of its proper divisors (16972699).

84863465 is a wasteful number, since it uses less digits than its factorization.

84863465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16972698.

The product of its digits is 552960, while the sum is 44.

The square root of 84863465 is about 9212.1368313763. The cubic root of 84863465 is about 439.4474209973.

The spelling of 84863465 in words is "eighty-four million, eight hundred sixty-three thousand, four hundred sixty-five".