7899001001 has 8 divisors (see below), whose sum is σ = 8093258208. Its totient is φ = 7704820000.

The previous prime is 7899000961. The next prime is 7899001013. The reversal of 7899001001 is 1001009987.

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 7899001001 - 2¹⁴ = 7898984617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7899001051) 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, 230426 + ... + 262476.

It is an arithmetic number, because the mean of its divisors is an integer number (1011657276).

Almost surely, 2^7899001001 is an apocalyptic number.

It is an amenable number.

7899001001 is a deficient number, since it is larger than the sum of its proper divisors (194257207).

7899001001 is a wasteful number, since it uses less digits than its factorization.

7899001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38103.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 7899001001 is about 88876.3241870409. The cubic root of 7899001001 is about 1991.5477467772.

The spelling of 7899001001 in words is "seven billion, eight hundred ninety-nine million, one thousand, one".