79577420147 has 8 divisors (see below), whose sum is σ = 81378302400. Its totient is φ = 77791608424.

The previous prime is 79577420129. The next prime is 79577420171. The reversal of 79577420147 is 74102477597.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79577420147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79577420177) 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, 3756953 + ... + 3778074.

It is an arithmetic number, because the mean of its divisors is an integer number (10172287800).

Almost surely, 2^79577420147 is an apocalyptic number.

79577420147 is a deficient number, since it is larger than the sum of its proper divisors (1800882253).

79577420147 is a wasteful number, since it uses less digits than its factorization.

79577420147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535265.

The product of its (nonzero) digits is 3457440, while the sum is 53.

The spelling of 79577420147 in words is "seventy-nine billion, five hundred seventy-seven million, four hundred twenty thousand, one hundred forty-seven".