79697488 has 30 divisors (see below), whose sum is σ = 166560954. Its totient is φ = 36724032.

The previous prime is 79697473. The next prime is 79697489. The reversal of 79697488 is 88479697.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 24522304 = 7428^2 + 4952^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79697489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128443 + ... + 129061.

Almost surely, 2^79697488 is an apocalyptic number.

It is an amenable number.

79697488 is an abundant number, since it is smaller than the sum of its proper divisors (86863466).

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

79697488 is an equidigital number, since it uses as much as digits as its factorization.

79697488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 634 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 58.

The square root of 79697488 is about 8927.3449580488. The cubic root of 79697488 is about 430.3431333592.

The spelling of 79697488 in words is "seventy-nine million, six hundred ninety-seven thousand, four hundred eighty-eight".