7770552357992 has 64 divisors (see below), whose sum is σ = 15498802990800. Its totient is φ = 3639680225280.

The previous prime is 7770552357991. The next prime is 7770552358067. The reversal of 7770552357992 is 2997532550777.

It can be written as a sum of positive squares in 8 ways, for example, as 7770524204356 + 28153636 = 2787566^2 + 5306^2 .

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (7770552357991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109996442 + ... + 110067062.

Almost surely, 2^{7770552357992} is an apocalyptic number.

It is an amenable number.

7770552357992 is a deficient number, since it is larger than the sum of its proper divisors (7728250632808).

7770552357992 is a wasteful number, since it uses less digits than its factorization.

7770552357992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74406 (or 74402 counting only the distinct ones).

The product of its (nonzero) digits is 291721500, while the sum is 68.

The spelling of 7770552357992 in words is "seven trillion, seven hundred seventy billion, five hundred fifty-two million, three hundred fifty-seven thousand, nine hundred ninety-two".