79346439225 has 81 divisors (see below), whose sum is σ = 144417493389. Its totient is φ = 41644310400.

The previous prime is 79346439223. The next prime is 79346439241. The reversal of 79346439225 is 52293464397.

The square root of 79346439225 is 281685.

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

79346439225 is a `hidden beast` number, since 7 + 93 + 464 + 3 + 92 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16511993001 + 62834446224 = 128499^2 + 250668^2 .

It is not a de Polignac number, because 79346439225 - 2¹ = 79346439223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79346439223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 376049370 + ... + 376049580.

Almost surely, 2^79346439225 is an apocalyptic number.

79346439225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79346439225 is the 281685-th square number.

79346439225 is the 140843-rd centered octagonal number.

It is an amenable number.

79346439225 is a deficient number, since it is larger than the sum of its proper divisors (65071054164).

79346439225 is an equidigital number, since it uses as much as digits as its factorization.

79346439225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 308 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 79346439225 in words is "seventy-nine billion, three hundred forty-six million, four hundred thirty-nine thousand, two hundred twenty-five".