7727640601 has 8 divisors (see below), whose sum is σ = 7747180704. Its totient is φ = 7708122240.

The previous prime is 7727640577. The next prime is 7727640619. The reversal of 7727640601 is 1060467277.

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 7727640601 - 2¹⁷ = 7727509529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7727640301) 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, 880105 + ... + 888841.

It is an arithmetic number, because the mean of its divisors is an integer number (968397588).

Almost surely, 2^7727640601 is an apocalyptic number.

It is an amenable number.

7727640601 is a deficient number, since it is larger than the sum of its proper divisors (19540103).

7727640601 is a wasteful number, since it uses less digits than its factorization.

7727640601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 7727640601 is about 87906.9997269842. Note that the first 3 decimals coincide. The cubic root of 7727640601 is about 1977.0408302043.

The spelling of 7727640601 in words is "seven billion, seven hundred twenty-seven million, six hundred forty thousand, six hundred one".