79840675 has 6 divisors (see below), whose sum is σ = 99002468. Its totient is φ = 63872520.

The previous prime is 79840669. The next prime is 79840681. The reversal of 79840675 is 57604897.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79840669) and next prime (79840681).

It is not a de Polignac number, because 79840675 - 2⁷ = 79840547 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1596789 + ... + 1596838.

Almost surely, 2^79840675 is an apocalyptic number.

79840675 is a deficient number, since it is larger than the sum of its proper divisors (19161793).

79840675 is a wasteful number, since it uses less digits than its factorization.

79840675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3193637 (or 3193632 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 79840675 is about 8935.3609328331. The cubic root of 79840675 is about 430.6007018139.

The spelling of 79840675 in words is "seventy-nine million, eight hundred forty thousand, six hundred seventy-five".