79423275011 has 4 divisors (see below), whose sum is σ = 83603447400. Its totient is φ = 75243102624.

The previous prime is 79423274993. The next prime is 79423275031. The reversal of 79423275011 is 11057232497.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-79423275011 is a prime.

It is a super-2 number, since 2×79423275011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79423275011.

It is not an unprimeable number, because it can be changed into a prime (79423275031) 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, 2090086166 + ... + 2090086203.

It is an arithmetic number, because the mean of its divisors is an integer number (20900861850).

Almost surely, 2^79423275011 is an apocalyptic number.

79423275011 is a deficient number, since it is larger than the sum of its proper divisors (4180172389).

79423275011 is a wasteful number, since it uses less digits than its factorization.

79423275011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180172388.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 79423275011 in words is "seventy-nine billion, four hundred twenty-three million, two hundred seventy-five thousand, eleven".