7740550715378 has 8 divisors (see below), whose sum is σ = 12503966540268. Its totient is φ = 3572561868624.

The previous prime is 7740550715363. The next prime is 7740550715483. The reversal of 7740550715378 is 8735170550477.

It can be written as a sum of positive squares in 2 ways, for example, as 7685408874049 + 55141841329 = 2772257^2 + 234823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7740550715378² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148856744501 + ... + 148856744552.

Almost surely, 2^{7740550715378} is an apocalyptic number.

7740550715378 is a deficient number, since it is larger than the sum of its proper divisors (4763415824890).

7740550715378 is a wasteful number, since it uses less digits than its factorization.

7740550715378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297713489068.

The product of its (nonzero) digits is 28812000, while the sum is 59.

The spelling of 7740550715378 in words is "seven trillion, seven hundred forty billion, five hundred fifty million, seven hundred fifteen thousand, three hundred seventy-eight".