79884797 has 8 divisors (see below), whose sum is σ = 84171360. Its totient is φ = 75606480.

The previous prime is 79884787. The next prime is 79884803. The reversal of 79884797 is 79748897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79884797 - 2⁴ = 79884781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79884757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36422 + ... + 38552.

It is an arithmetic number, because the mean of its divisors is an integer number (10521420).

Almost surely, 2^79884797 is an apocalyptic number.

It is an amenable number.

79884797 is a deficient number, since it is larger than the sum of its proper divisors (4286563).

79884797 is a wasteful number, since it uses less digits than its factorization.

79884797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123.

The product of its digits is 7112448, while the sum is 59.

The square root of 79884797 is about 8937.8295463720. The cubic root of 79884797 is about 430.6800075290.

The spelling of 79884797 in words is "seventy-nine million, eight hundred eighty-four thousand, seven hundred ninety-seven".