84799538 has 8 divisors (see below), whose sum is σ = 131585580. Its totient is φ = 40937680.

The previous prime is 84799537. The next prime is 84799543. The reversal of 84799538 is 83599748.

It can be written as a sum of positive squares in 2 ways, for example, as 84695209 + 104329 = 9203^2 + 323^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 84799538.

It is not an unprimeable number, because it can be changed into a prime (84799531) 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, 730973 + ... + 731088.

Almost surely, 2^84799538 is an apocalyptic number.

84799538 is a deficient number, since it is larger than the sum of its proper divisors (46786042).

84799538 is a wasteful number, since it uses less digits than its factorization.

84799538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462092.

The product of its digits is 2177280, while the sum is 53.

The square root of 84799538 is about 9208.6664615459. Note that the first 3 decimals coincide. The cubic root of 84799538 is about 439.3370491500.

The spelling of 84799538 in words is "eighty-four million, seven hundred ninety-nine thousand, five hundred thirty-eight".