79629452047 has 4 divisors (see below), whose sum is σ = 83091602160. Its totient is φ = 76167301936.

The previous prime is 79629452041. The next prime is 79629452051. The reversal of 79629452047 is 74025492697.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79629452047 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 (79629452041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731075022 + ... + 1731075067.

It is an arithmetic number, because the mean of its divisors is an integer number (20772900540).

Almost surely, 2^79629452047 is an apocalyptic number.

79629452047 is a deficient number, since it is larger than the sum of its proper divisors (3462150113).

79629452047 is a wasteful number, since it uses less digits than its factorization.

79629452047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462150112.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 79629452047 in words is "seventy-nine billion, six hundred twenty-nine million, four hundred fifty-two thousand, forty-seven".