84328919053 has 4 divisors (see below), whose sum is σ = 84467847040. Its totient is φ = 84189991068.

The previous prime is 84328918967. The next prime is 84328919137. The reversal of 84328919053 is 35091982348.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84328919053 - 2¹⁷ = 84328787981 is a prime.

It is a super-2 number, since 2×84328919053² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84328919153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69463083 + ... + 69464296.

It is an arithmetic number, because the mean of its divisors is an integer number (21116961760).

Almost surely, 2^84328919053 is an apocalyptic number.

It is an amenable number.

84328919053 is a deficient number, since it is larger than the sum of its proper divisors (138927987).

84328919053 is a wasteful number, since it uses less digits than its factorization.

84328919053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138927986.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 84328919053 in words is "eighty-four billion, three hundred twenty-eight million, nine hundred nineteen thousand, fifty-three".