77770604650612 has 48 divisors (see below), whose sum is σ = 146943814868928. Its totient is φ = 35880707704320.

The previous prime is 77770604650603. The next prime is 77770604650619. The reversal of 77770604650612 is 21605640607777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77770604650619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29262298 + ... + 31809169.

It is an arithmetic number, because the mean of its divisors is an integer number (3061329476436).

Almost surely, 2^{77770604650612} is an apocalyptic number.

It is an amenable number.

77770604650612 is a deficient number, since it is larger than the sum of its proper divisors (69173210218316).

77770604650612 is a wasteful number, since it uses less digits than its factorization.

77770604650612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61071856 (or 61071854 counting only the distinct ones).

The product of its (nonzero) digits is 20744640, while the sum is 58.

The spelling of 77770604650612 in words is "seventy-seven trillion, seven hundred seventy billion, six hundred four million, six hundred fifty thousand, six hundred twelve".