79538493 has 8 divisors (see below), whose sum is σ = 108917728. Its totient is φ = 51592464.

The previous prime is 79538491. The next prime is 79538507. The reversal of 79538493 is 39483597.

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

It is not a de Polignac number, because 79538493 - 2¹ = 79538491 is a prime.

It is a super-2 number, since 2×79538493² = 12652743737422098, which contains 22 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 (79538491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358171 + ... + 358392.

It is an arithmetic number, because the mean of its divisors is an integer number (13614716).

Almost surely, 2^79538493 is an apocalyptic number.

It is an amenable number.

79538493 is a deficient number, since it is larger than the sum of its proper divisors (29379235).

79538493 is a wasteful number, since it uses less digits than its factorization.

79538493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716603.

The product of its digits is 816480, while the sum is 48.

The square root of 79538493 is about 8918.4355690895. The cubic root of 79538493 is about 430.0567673387.

The spelling of 79538493 in words is "seventy-nine million, five hundred thirty-eight thousand, four hundred ninety-three".