79630559 has 8 divisors (see below), whose sum is σ = 81179328. Its totient is φ = 78089760.

The previous prime is 79630543. The next prime is 79630571. The reversal of 79630559 is 95503697.

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

It is not a de Polignac number, because 79630559 - 2⁴ = 79630543 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 (79630519) 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, 20609 + ... + 24165.

It is an arithmetic number, because the mean of its divisors is an integer number (10147416).

Almost surely, 2^79630559 is an apocalyptic number.

79630559 is a deficient number, since it is larger than the sum of its proper divisors (1548769).

79630559 is a wasteful number, since it uses less digits than its factorization.

79630559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its (nonzero) digits is 255150, while the sum is 44.

The square root of 79630559 is about 8923.5956318067. The cubic root of 79630559 is about 430.2226339445. Note that the first 3 decimals are identical.

The spelling of 79630559 in words is "seventy-nine million, six hundred thirty thousand, five hundred fifty-nine".