82479993 has 16 divisors (see below), whose sum is σ = 113726400. Its totient is φ = 53130816.

The previous prime is 82479983. The next prime is 82479997. The reversal of 82479993 is 39997428.

It is not a de Polignac number, because 82479993 - 2⁸ = 82479737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82479997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14046 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (7107900).

Almost surely, 2^82479993 is an apocalyptic number.

It is an amenable number.

82479993 is a deficient number, since it is larger than the sum of its proper divisors (31246407).

82479993 is a wasteful number, since it uses less digits than its factorization.

82479993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176.

The product of its digits is 979776, while the sum is 51.

The square root of 82479993 is about 9081.8496464101. The cubic root of 82479993 is about 435.2941912692.

The spelling of 82479993 in words is "eighty-two million, four hundred seventy-nine thousand, nine hundred ninety-three".