79499471 has 4 divisors (see below), whose sum is σ = 79618272. Its totient is φ = 79380672.

The previous prime is 79499447. The next prime is 79499503. The reversal of 79499471 is 17499497.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79499471 - 2¹⁴ = 79483087 is a prime.

It is a super-3 number, since 3×79499471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79499071) 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, 58391 + ... + 59736.

It is an arithmetic number, because the mean of its divisors is an integer number (19904568).

Almost surely, 2^79499471 is an apocalyptic number.

79499471 is a deficient number, since it is larger than the sum of its proper divisors (118801).

79499471 is a wasteful number, since it uses less digits than its factorization.

79499471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118800.

The product of its digits is 571536, while the sum is 50.

The square root of 79499471 is about 8916.2475851672. The cubic root of 79499471 is about 429.9864264690.

The spelling of 79499471 in words is "seventy-nine million, four hundred ninety-nine thousand, four hundred seventy-one".