79486401 has 4 divisors (see below), whose sum is σ = 105981872. Its totient is φ = 52990932.

The previous prime is 79486399. The next prime is 79486423. The reversal of 79486401 is 10468497.

It is a happy number.

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.

It is not a de Polignac number, because 79486401 - 2¹ = 79486399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79486401.

It is not an unprimeable number, because it can be changed into a prime (79486301) 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, 13247731 + ... + 13247736.

It is an arithmetic number, because the mean of its divisors is an integer number (26495468).

Almost surely, 2^79486401 is an apocalyptic number.

It is an amenable number.

79486401 is a deficient number, since it is larger than the sum of its proper divisors (26495471).

79486401 is a wasteful number, since it uses less digits than its factorization.

79486401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495470.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 79486401 is about 8915.5146233967. The cubic root of 79486401 is about 429.9628614040.

The spelling of 79486401 in words is "seventy-nine million, four hundred eighty-six thousand, four hundred one".