79747632001 has 4 divisors (see below), whose sum is σ = 80643672900. Its totient is φ = 78851591104.

The previous prime is 79747631993. The next prime is 79747632011. The reversal of 79747632001 is 10023674797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50210053776 + 29537578225 = 224076^2 + 171865^2 .

It is a cyclic number.

It is not a de Polignac number, because 79747632001 - 2³ = 79747631993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79747632011) 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, 448020316 + ... + 448020493.

It is an arithmetic number, because the mean of its divisors is an integer number (20160918225).

Almost surely, 2^79747632001 is an apocalyptic number.

It is an amenable number.

79747632001 is a deficient number, since it is larger than the sum of its proper divisors (896040899).

79747632001 is an equidigital number, since it uses as much as digits as its factorization.

79747632001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896040898.

The product of its (nonzero) digits is 444528, while the sum is 46.

The spelling of 79747632001 in words is "seventy-nine billion, seven hundred forty-seven million, six hundred thirty-two thousand, one".