79903401 has 4 divisors (see below), whose sum is σ = 106537872. Its totient is φ = 53268932.

The previous prime is 79903393. The next prime is 79903409. The reversal of 79903401 is 10430997.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10430997 = 3 ⋅3476999.

It is an interprime number because it is at equal distance from previous prime (79903393) and next prime (79903409).

It is a cyclic number.

It is not a de Polignac number, because 79903401 - 2³ = 79903393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79903409) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13317231 + ... + 13317236.

It is an arithmetic number, because the mean of its divisors is an integer number (26634468).

Almost surely, 2^79903401 is an apocalyptic number.

It is an amenable number.

79903401 is a deficient number, since it is larger than the sum of its proper divisors (26634471).

79903401 is a wasteful number, since it uses less digits than its factorization.

79903401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26634470.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 79903401 is about 8938.8702306276. The cubic root of 79903401 is about 430.7134379574.

The spelling of 79903401 in words is "seventy-nine million, nine hundred three thousand, four hundred one".