7772112776 has 16 divisors (see below), whose sum is σ = 14708906640. Its totient is φ = 3849737680.

The previous prime is 7772112763. The next prime is 7772112791. The reversal of 7772112776 is 6772112777.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7772112776.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538930 + ... + 4540641.

It is an arithmetic number, because the mean of its divisors is an integer number (919306665).

Almost surely, 2^7772112776 is an apocalyptic number.

It is an amenable number.

7772112776 is a deficient number, since it is larger than the sum of its proper divisors (6936793864).

7772112776 is a wasteful number, since it uses less digits than its factorization.

7772112776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079684 (or 9079680 counting only the distinct ones).

The product of its digits is 403368, while the sum is 47.

The square root of 7772112776 is about 88159.5869772539. The cubic root of 7772112776 is about 1980.8261674891.

Subtracting from 7772112776 its reverse (6772112777), we obtain a palindrome (999999999).

The spelling of 7772112776 in words is "seven billion, seven hundred seventy-two million, one hundred twelve thousand, seven hundred seventy-six".