79849491 has 16 divisors (see below), whose sum is σ = 111919104. Its totient is φ = 50540864.

The previous prime is 79849463. The next prime is 79849501. The reversal of 79849491 is 19494897.

It is a cyclic number.

It is not a de Polignac number, because 79849491 - 2¹⁹ = 79325203 is a prime.

It is a super-3 number, since 3×79849491³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79749491) 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, 5230 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (6994944).

Almost surely, 2^79849491 is an apocalyptic number.

79849491 is a deficient number, since it is larger than the sum of its proper divisors (32069613).

79849491 is a wasteful number, since it uses less digits than its factorization.

79849491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8610.

The product of its digits is 653184, while the sum is 51.

The square root of 79849491 is about 8935.8542400825. The cubic root of 79849491 is about 430.6165501940.

The spelling of 79849491 in words is "seventy-nine million, eight hundred forty-nine thousand, four hundred ninety-one".