84399452501 has 16 divisors (see below), whose sum is σ = 103975202688. Its totient is φ = 66713976000.

The previous prime is 84399452491. The next prime is 84399452537. The reversal of 84399452501 is 10525499348.

It is not a de Polignac number, because 84399452501 - 2⁶ = 84399452437 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84399452501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84399452561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345590 + ... + 536871.

It is an arithmetic number, because the mean of its divisors is an integer number (6498450168).

Almost surely, 2^84399452501 is an apocalyptic number.

It is an amenable number.

84399452501 is a deficient number, since it is larger than the sum of its proper divisors (19575750187).

84399452501 is a wasteful number, since it uses less digits than its factorization.

84399452501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883532.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 84399452501 in words is "eighty-four billion, three hundred ninety-nine million, four hundred fifty-two thousand, five hundred one".