7770799137356 has 12 divisors (see below), whose sum is σ = 13600714877568. Its totient is φ = 3884880600912.

The previous prime is 7770799137341. The next prime is 7770799137379. The reversal of 7770799137356 is 6537319970777.

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 7770799137356.

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, 129708251 + ... + 129768146.

It is an arithmetic number, because the mean of its divisors is an integer number (1133392906464).

Almost surely, 2^{7770799137356} is an apocalyptic number.

It is an amenable number.

7770799137356 is a deficient number, since it is larger than the sum of its proper divisors (5829915740212).

7770799137356 is a wasteful number, since it uses less digits than its factorization.

7770799137356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259483888 (or 259483886 counting only the distinct ones).

The product of its (nonzero) digits is 367569090, while the sum is 71.

The spelling of 7770799137356 in words is "seven trillion, seven hundred seventy billion, seven hundred ninety-nine million, one hundred thirty-seven thousand, three hundred fifty-six".