79072898 has 4 divisors (see below), whose sum is σ = 118609350. Its totient is φ = 39536448.

The previous prime is 79072891. The next prime is 79072957. The reversal of 79072898 is 89827097.

It is a happy number.

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., 61575409 + 17497489 = 7847^2 + 4183^2 .

It is not an unprimeable number, because it can be changed into a prime (79072891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19768223 + ... + 19768226.

Almost surely, 2^79072898 is an apocalyptic number.

79072898 is a deficient number, since it is larger than the sum of its proper divisors (39536452).

79072898 is a wasteful number, since it uses less digits than its factorization.

79072898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39536451.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 79072898 is about 8892.2943046213. The cubic root of 79072898 is about 429.2159825860.

The spelling of 79072898 in words is "seventy-nine million, seventy-two thousand, eight hundred ninety-eight".