79147052251 has 8 divisors (see below), whose sum is σ = 83315912000. Its totient is φ = 74978515080.

The previous prime is 79147052233. The next prime is 79147052263. The reversal of 79147052251 is 15225074197.

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 79147052251 - 2¹⁹ = 79146527963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79147052198 and 79147052207.

It is not an unprimeable number, because it can be changed into a prime (79147052221) 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, 549196 + ... + 678166.

It is an arithmetic number, because the mean of its divisors is an integer number (10414489000).

Almost surely, 2^79147052251 is an apocalyptic number.

79147052251 is a deficient number, since it is larger than the sum of its proper divisors (4168859749).

79147052251 is a wasteful number, since it uses less digits than its factorization.

79147052251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161289.

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 79147052251 in words is "seventy-nine billion, one hundred forty-seven million, fifty-two thousand, two hundred fifty-one".