8012172997 has 8 divisors (see below), whose sum is σ = 8170424640. Its totient is φ = 7855182720.

The previous prime is 8012172991. The next prime is 8012173007. The reversal of 8012172997 is 7992712108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8012172997 - 2³ = 8012172989 is a prime.

It is a super-2 number, since 2×8012172997² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012172991) 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, 302508 + ... + 327925.

It is an arithmetic number, because the mean of its divisors is an integer number (1021303080).

Almost surely, 2^8012172997 is an apocalyptic number.

It is an amenable number.

8012172997 is a deficient number, since it is larger than the sum of its proper divisors (158251643).

8012172997 is a wasteful number, since it uses less digits than its factorization.

8012172997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630683.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 8012172997 is about 89510.7423553173. The cubic root of 8012172997 is about 2001.0139023308.

The spelling of 8012172997 in words is "eight billion, twelve million, one hundred seventy-two thousand, nine hundred ninety-seven".