79497802 has 4 divisors (see below), whose sum is σ = 119246706. Its totient is φ = 39748900.

The previous prime is 79497791. The next prime is 79497833. The reversal of 79497802 is 20879497.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63824121 + 15673681 = 7989^2 + 3959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19874449 + ... + 19874452.

Almost surely, 2^79497802 is an apocalyptic number.

79497802 is a deficient number, since it is larger than the sum of its proper divisors (39748904).

79497802 is a wasteful number, since it uses less digits than its factorization.

79497802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39748903.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 79497802 is about 8916.1539914921. The cubic root of 79497802 is about 429.9834174243.

It can be divided in two parts, 7949 and 7802, that added together give a palindrome (15751).

The spelling of 79497802 in words is "seventy-nine million, four hundred ninety-seven thousand, eight hundred two".