7772888013 has 48 divisors (see below), whose sum is σ = 11777965056. Its totient is φ = 4521660000.

The previous prime is 7772888003. The next prime is 7772888021. The reversal of 7772888013 is 3108882777.

It is not a de Polignac number, because 7772888013 - 2⁵ = 7772887981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7772888003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4153468 + ... + 4155338.

It is an arithmetic number, because the mean of its divisors is an integer number (245374272).

Almost surely, 2^7772888013 is an apocalyptic number.

It is an amenable number.

7772888013 is a deficient number, since it is larger than the sum of its proper divisors (4005077043).

7772888013 is a wasteful number, since it uses less digits than its factorization.

7772888013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

The square root of 7772888013 is about 88163.9836497875. The cubic root of 7772888013 is about 1980.8920251148.

The spelling of 7772888013 in words is "seven billion, seven hundred seventy-two million, eight hundred eighty-eight thousand, thirteen".