79953403 has 6 divisors (see below), whose sum is σ = 81952772. Its totient is φ = 78001680.

The previous prime is 79953347. The next prime is 79953407. The reversal of 79953403 is 30435997.

It is not a de Polignac number, because 79953403 - 2⁹ = 79952891 is a prime.

It is a super-3 number, since 3×79953403³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79953407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22101 + ... + 25462.

Almost surely, 2^79953403 is an apocalyptic number.

79953403 is a deficient number, since it is larger than the sum of its proper divisors (1999369).

79953403 is an equidigital number, since it uses as much as digits as its factorization.

79953403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47645 (or 47604 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 79953403 is about 8941.6666790929. Note that the first 4 decimals coincide. The cubic root of 79953403 is about 430.8032632641.

The spelling of 79953403 in words is "seventy-nine million, nine hundred fifty-three thousand, four hundred three".