79285945 has 16 divisors (see below), whose sum is σ = 101399040. Its totient is φ = 59376064.

The previous prime is 79285919. The next prime is 79285949. The reversal of 79285945 is 54958297.

It is not a de Polignac number, because 79285945 - 2¹³ = 79277753 is a prime.

It is a super-2 number, since 2×79285945² = 12572522149086050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79285949) 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, 1930 + ... + 12739.

It is an arithmetic number, because the mean of its divisors is an integer number (6337440).

Almost surely, 2^79285945 is an apocalyptic number.

It is an amenable number.

79285945 is a deficient number, since it is larger than the sum of its proper divisors (22113095).

79285945 is a wasteful number, since it uses less digits than its factorization.

79285945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14744.

The product of its digits is 907200, while the sum is 49.

The square root of 79285945 is about 8904.2655508470. The cubic root of 79285945 is about 429.6011173878.

The spelling of 79285945 in words is "seventy-nine million, two hundred eighty-five thousand, nine hundred forty-five".