84645992518 has 8 divisors (see below), whose sum is σ = 127085157648. Its totient is φ = 42284273304.

The previous prime is 84645992447. The next prime is 84645992569. The reversal of 84645992518 is 81529954648.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 19358746 + ... + 19363117.

It is an arithmetic number, because the mean of its divisors is an integer number (15885644706).

Almost surely, 2^84645992518 is an apocalyptic number.

84645992518 is a deficient number, since it is larger than the sum of its proper divisors (42439165130).

84645992518 is a wasteful number, since it uses less digits than its factorization.

84645992518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38722958.

The product of its digits is 24883200, while the sum is 61.

The spelling of 84645992518 in words is "eighty-four billion, six hundred forty-five million, nine hundred ninety-two thousand, five hundred eighteen".