79650398 has 4 divisors (see below), whose sum is σ = 119475600. Its totient is φ = 39825198.

The previous prime is 79650397. The next prime is 79650401. The reversal of 79650398 is 89305697.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79650391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19912598 + ... + 19912601.

It is an arithmetic number, because the mean of its divisors is an integer number (29868900).

Almost surely, 2^79650398 is an apocalyptic number.

79650398 is a deficient number, since it is larger than the sum of its proper divisors (39825202).

79650398 is a wasteful number, since it uses less digits than its factorization.

79650398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39825201.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 79650398 is about 8924.7071660643. The cubic root of 79650398 is about 430.2583592499.

The spelling of 79650398 in words is "seventy-nine million, six hundred fifty thousand, three hundred ninety-eight".