79747852274 has 16 divisors (see below), whose sum is σ = 122097696408. Its totient is φ = 39051322752.

The previous prime is 79747852271. The next prime is 79747852307. The reversal of 79747852274 is 47225874797.

It can be written as a sum of positive squares in 4 ways, for example, as 59288841049 + 20459011225 = 243493^2 + 143035^2 .

It is not an unprimeable number, because it can be changed into a prime (79747852271) 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, 616307 + ... + 734390.

Almost surely, 2^79747852274 is an apocalyptic number.

79747852274 is a deficient number, since it is larger than the sum of its proper divisors (42349844134).

79747852274 is a wasteful number, since it uses less digits than its factorization.

79747852274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351309.

The product of its digits is 55319040, while the sum is 62.

The spelling of 79747852274 in words is "seventy-nine billion, seven hundred forty-seven million, eight hundred fifty-two thousand, two hundred seventy-four".