79870497 has 16 divisors (see below), whose sum is σ = 122915712. Its totient is φ = 45187200.

The previous prime is 79870487. The next prime is 79870507. The reversal of 79870497 is 79407897.

It is an interprime number because it is at equal distance from previous prime (79870487) and next prime (79870507).

It is not a de Polignac number, because 79870497 - 2¹¹ = 79868449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79870447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16708 + ... + 20949.

It is an arithmetic number, because the mean of its divisors is an integer number (7682232).

Almost surely, 2^79870497 is an apocalyptic number.

It is an amenable number.

79870497 is a deficient number, since it is larger than the sum of its proper divisors (43045215).

79870497 is a wasteful number, since it uses less digits than its factorization.

79870497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37768.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 79870497 is about 8937.0295400653. The cubic root of 79870497 is about 430.6543076384.

The spelling of 79870497 in words is "seventy-nine million, eight hundred seventy thousand, four hundred ninety-seven".