79036489404 has 36 divisors (see below), whose sum is σ = 200300307480. Its totient is φ = 26277765600.

The previous prime is 79036489381. The next prime is 79036489409. The reversal of 79036489404 is 40498463097.

It is a happy number.

79036489404 is a `hidden beast` number, since 7 + 90 + 36 + 489 + 40 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79036489409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2807922 + ... + 2835929.

It is an arithmetic number, because the mean of its divisors is an integer number (5563897430).

Almost surely, 2^79036489404 is an apocalyptic number.

It is an amenable number.

79036489404 is an abundant number, since it is smaller than the sum of its proper divisors (121263818076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79036489404 is a wasteful number, since it uses less digits than its factorization.

79036489404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644250 (or 5644245 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 79036489404 in words is "seventy-nine billion, thirty-six million, four hundred eighty-nine thousand, four hundred four".