79993465 has 8 divisors (see below), whose sum is σ = 96873480. Its totient is φ = 63407232.

The previous prime is 79993429. The next prime is 79993523. The reversal of 79993465 is 56439997.

It can be written as a sum of positive squares in 4 ways, for example, as 30769209 + 49224256 = 5547^2 + 7016^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79993465 - 2¹³ = 79985273 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72844 + ... + 73933.

It is an arithmetic number, because the mean of its divisors is an integer number (12109185).

Almost surely, 2^79993465 is an apocalyptic number.

It is an amenable number.

79993465 is a deficient number, since it is larger than the sum of its proper divisors (16880015).

79993465 is a wasteful number, since it uses less digits than its factorization.

79993465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146891.

The product of its digits is 1837080, while the sum is 52.

The square root of 79993465 is about 8943.9065849326. The cubic root of 79993465 is about 430.8752049946.

The spelling of 79993465 in words is "seventy-nine million, nine hundred ninety-three thousand, four hundred sixty-five".