9972525179 has 4 divisors (see below), whose sum is σ = 9983819976. Its totient is φ = 9961230384.

The previous prime is 9972525137. The next prime is 9972525181. The reversal of 9972525179 is 9715252799.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9715252799 = 7 ⋅1387893257.

It is a cyclic number.

It is not a de Polignac number, because 9972525179 - 2⁸ = 9972524923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9972525119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5646074 + ... + 5647839.

It is an arithmetic number, because the mean of its divisors is an integer number (2495954994).

Almost surely, 2^9972525179 is an apocalyptic number.

9972525179 is a deficient number, since it is larger than the sum of its proper divisors (11294797).

9972525179 is a wasteful number, since it uses less digits than its factorization.

9972525179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11294796.

The product of its digits is 3572100, while the sum is 56.

The square root of 9972525179 is about 99862.5314069296. The cubic root of 9972525179 is about 2152.4597900098.

The spelling of 9972525179 in words is "nine billion, nine hundred seventy-two million, five hundred twenty-five thousand, one hundred seventy-nine".