7772048651 has 4 divisors (see below), whose sum is σ = 7772539992. Its totient is φ = 7771557312.

The previous prime is 7772048623. The next prime is 7772048689. The reversal of 7772048651 is 1568402777.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 7772048651 - 2³⁰ = 6698306827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7772048596 and 7772048605.

It is not an unprimeable number, because it can be changed into a prime (7772048351) 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, 221126 + ... + 253851.

It is an arithmetic number, because the mean of its divisors is an integer number (1943134998).

Almost surely, 2^7772048651 is an apocalyptic number.

7772048651 is a deficient number, since it is larger than the sum of its proper divisors (491341).

7772048651 is a wasteful number, since it uses less digits than its factorization.

7772048651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491340.

The product of its (nonzero) digits is 658560, while the sum is 47.

The square root of 7772048651 is about 88159.2232894551. The cubic root of 7772048651 is about 1980.8207197715.

The spelling of 7772048651 in words is "seven billion, seven hundred seventy-two million, forty-eight thousand, six hundred fifty-one".