7776972471490 has 8 divisors (see below), whose sum is σ = 13998550448700. Its totient is φ = 3110788988592.

The previous prime is 7776972471427. The next prime is 7776972471491. The reversal of 7776972471490 is 941742796777.

It can be written as a sum of positive squares in 2 ways, for example, as 7454281444009 + 322691027481 = 2730253^2 + 568059^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7776972471491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388848623565 + ... + 388848623584.

Almost surely, 2^{7776972471490} is an apocalyptic number.

7776972471490 is a deficient number, since it is larger than the sum of its proper divisors (6221577977210).

7776972471490 is a wasteful number, since it uses less digits than its factorization.

7776972471490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777697247156.

The product of its (nonzero) digits is 261382464, while the sum is 70.

The spelling of 7776972471490 in words is "seven trillion, seven hundred seventy-six billion, nine hundred seventy-two million, four hundred seventy-one thousand, four hundred ninety".