79274456529 has 4 divisors (see below), whose sum is σ = 105699275376. Its totient is φ = 52849637684.

The previous prime is 79274456483. The next prime is 79274456533. The reversal of 79274456529 is 92565447297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79274456529 - 2²¹ = 79272359377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79274456329) 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, 13212409419 + ... + 13212409424.

It is an arithmetic number, because the mean of its divisors is an integer number (26424818844).

Almost surely, 2^79274456529 is an apocalyptic number.

It is an amenable number.

79274456529 is a deficient number, since it is larger than the sum of its proper divisors (26424818847).

79274456529 is a wasteful number, since it uses less digits than its factorization.

79274456529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26424818846.

The product of its digits is 38102400, while the sum is 60.

The spelling of 79274456529 in words is "seventy-nine billion, two hundred seventy-four million, four hundred fifty-six thousand, five hundred twenty-nine".