79274235417664 has 63 divisors (see below), whose sum is σ = 182994196298277. Its totient is φ = 33974458635264.

The previous prime is 79274235417653. The next prime is 79274235417733. The reversal of 79274235417664 is 46671453247297.

It is a happy number.

The square root of 79274235417664 is 8903608.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 69002261697600 + 10271973720064 = 8306760^2 + 3204992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 79274235417664.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 498522552 + ... + 498681544.

Almost surely, 2^{79274235417664} is an apocalyptic number.

79274235417664 is the 8903608-th square number.

It is an amenable number.

79274235417664 is an abundant number, since it is smaller than the sum of its proper divisors (103719960880613).

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

79274235417664 is an frugal number, since it uses more digits than its factorization.

79274235417664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318012 (or 159002 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 67.

The spelling of 79274235417664 in words is "seventy-nine trillion, two hundred seventy-four billion, two hundred thirty-five million, four hundred seventeen thousand, six hundred sixty-four".