84368518501 has 4 divisors (see below), whose sum is σ = 84975486400. Its totient is φ = 83761550604.

The previous prime is 84368518483. The next prime is 84368518541. The reversal of 84368518501 is 10581586348.

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 84368518501 - 2⁵ = 84368518469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84368518541) 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, 303483741 + ... + 303484018.

It is an arithmetic number, because the mean of its divisors is an integer number (21243871600).

Almost surely, 2^84368518501 is an apocalyptic number.

It is an amenable number.

84368518501 is a deficient number, since it is larger than the sum of its proper divisors (606967899).

84368518501 is a wasteful number, since it uses less digits than its factorization.

84368518501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606967898.

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 84368518501 in words is "eighty-four billion, three hundred sixty-eight million, five hundred eighteen thousand, five hundred one".