84321763 has 4 divisors (see below), whose sum is σ = 87229440. Its totient is φ = 81414088.

The previous prime is 84321761. The next prime is 84321773. The reversal of 84321763 is 36712348.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84321763 - 2¹ = 84321761 is a prime.

It is a super-2 number, since 2×84321763² = 14220319430856338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84321761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453795 + ... + 1453852.

It is an arithmetic number, because the mean of its divisors is an integer number (21807360).

Almost surely, 2^84321763 is an apocalyptic number.

84321763 is a deficient number, since it is larger than the sum of its proper divisors (2907677).

84321763 is a wasteful number, since it uses less digits than its factorization.

84321763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907676.

The product of its digits is 24192, while the sum is 34.

The square root of 84321763 is about 9182.6882229552. The cubic root of 84321763 is about 438.5103948455.

The spelling of 84321763 in words is "eighty-four million, three hundred twenty-one thousand, seven hundred sixty-three".