79088589088 has 24 divisors (see below), whose sum is σ = 155746314108. Its totient is φ = 39533969664.

The previous prime is 79088589071. The next prime is 79088589089. The reversal of 79088589088 is 88098588097.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59608245904 + 19480343184 = 244148^2 + 139572^2 .

It is not an unprimeable number, because it can be changed into a prime (79088589089) 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, 197431 + ... + 444022.

Almost surely, 2^79088589088 is an apocalyptic number.

It is an amenable number.

79088589088 is a deficient number, since it is larger than the sum of its proper divisors (76657725020).

79088589088 is a wasteful number, since it uses less digits than its factorization.

79088589088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645316 (or 645308 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 70.

Subtracting 79088589088 from its reverse (88098588097), we obtain a palindrome (9009999009).

The spelling of 79088589088 in words is "seventy-nine billion, eighty-eight million, five hundred eighty-nine thousand, eighty-eight".