7864001005 has 8 divisors (see below), whose sum is σ = 10784915712. Its totient is φ = 5392457808.

The previous prime is 7864001003. The next prime is 7864001009. The reversal of 7864001005 is 5001004687.

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 7864001005 - 2¹ = 7864001003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7864001003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112342837 + ... + 112342906.

It is an arithmetic number, because the mean of its divisors is an integer number (1348114464).

Almost surely, 2^7864001005 is an apocalyptic number.

It is an amenable number.

7864001005 is a deficient number, since it is larger than the sum of its proper divisors (2920914707).

7864001005 is a wasteful number, since it uses less digits than its factorization.

7864001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224685755.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7864001005 is about 88679.2027760737. The cubic root of 7864001005 is about 1988.6019156530.

The spelling of 7864001005 in words is "seven billion, eight hundred sixty-four million, one thousand, five".