79274456064 has 132 divisors (see below), whose sum is σ = 229382562240. Its totient is φ = 26369495040.

The previous prime is 79274456011. The next prime is 79274456071. The reversal of 79274456064 is 46065447297.

79274456064 is a `hidden beast` number, since 7 + 9 + 2 + 74 + 4 + 560 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 79274456064.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4516297 + ... + 4533815.

Almost surely, 2^79274456064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79274456064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114691281120).

79274456064 is an abundant number, since it is smaller than the sum of its proper divisors (150108106176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79274456064 is a wasteful number, since it uses less digits than its factorization.

79274456064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036 (or 18015 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 79274456064 in words is "seventy-nine billion, two hundred seventy-four million, four hundred fifty-six thousand, sixty-four".