84249688105 has 8 divisors (see below), whose sum is σ = 110290500864. Its totient is φ = 61272500400.

The previous prime is 84249688097. The next prime is 84249688129. The reversal of 84249688105 is 50188694248.

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

It is not a de Polignac number, because 84249688105 - 2³ = 84249688097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 1531812511 = 84249688105 / (8 + 4 + 2 + 4 + 9 + 6 + 8 + 8 + 1 + 0 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765906201 + ... + 765906310.

It is an arithmetic number, because the mean of its divisors is an integer number (13786312608).

Almost surely, 2^84249688105 is an apocalyptic number.

It is an amenable number.

84249688105 is a deficient number, since it is larger than the sum of its proper divisors (26040812759).

84249688105 is a wasteful number, since it uses less digits than its factorization.

84249688105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531812527.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 84249688105 in words is "eighty-four billion, two hundred forty-nine million, six hundred eighty-eight thousand, one hundred five".