79048191719025 has 27 divisors (see below), whose sum is σ = 141584333370571. Its totient is φ = 42158964456240.

The previous prime is 79048191718967. The next prime is 79048191719047. The reversal of 79048191719025 is 52091719184097.

The square root of 79048191719025 is 8890905.

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., 28457349018849 + 50590842700176 = 5334543^2 + 7112724^2 .

It is not a de Polignac number, because 79048191719025 - 2³¹ = 79046044235377 is a prime.

It is a super-2 number, since 2×79048191719025² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 133067212 + ... + 133659938.

Almost surely, 2^{79048191719025} is an apocalyptic number.

79048191719025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

79048191719025 is the 8890905-th square number.

79048191719025 is the 4445453-rd centered octagonal number.

It is an amenable number.

79048191719025 is a deficient number, since it is larger than the sum of its proper divisors (62536141651546).

79048191719025 is an frugal number, since it uses more digits than its factorization.

79048191719025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185470 (or 592735 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 63.

The spelling of 79048191719025 in words is "seventy-nine trillion, forty-eight billion, one hundred ninety-one million, seven hundred nineteen thousand, twenty-five".