7973789001 has 16 divisors (see below), whose sum is σ = 10765198080. Its totient is φ = 5249184080.

The previous prime is 7973788973. The next prime is 7973789027. The reversal of 7973789001 is 1009873797.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7973789001 - 2²³ = 7965400393 is a prime.

It is a super-2 number, since 2×7973789001² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7973789501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575566 + ... + 589256.

It is an arithmetic number, because the mean of its divisors is an integer number (672824880).

Almost surely, 2^7973789001 is an apocalyptic number.

It is an amenable number.

7973789001 is a deficient number, since it is larger than the sum of its proper divisors (2791409079).

7973789001 is a wasteful number, since it uses less digits than its factorization.

7973789001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16116.

The product of its (nonzero) digits is 666792, while the sum is 51.

The square root of 7973789001 is about 89296.0749473346. The cubic root of 7973789001 is about 1997.8133602579.

The spelling of 7973789001 in words is "seven billion, nine hundred seventy-three million, seven hundred eighty-nine thousand, one".