7777425395975 has 12 divisors (see below), whose sum is σ = 9644079317544. Its totient is φ = 6221893977120.

The previous prime is 7777425395933. The next prime is 7777425395977. The reversal of 7777425395975 is 5795935247777.

It is a de Polignac number, because none of the positive numbers 2^k-7777425395975 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7777425395896 and 7777425395905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7777425395977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2490737 + ... + 4664613.

It is an arithmetic number, because the mean of its divisors is an integer number (803673276462).

Almost surely, 2^{7777425395975} is an apocalyptic number.

7777425395975 is a deficient number, since it is larger than the sum of its proper divisors (1866653921569).

7777425395975 is a wasteful number, since it uses less digits than its factorization.

7777425395975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316994 (or 2316989 counting only the distinct ones).

The product of its digits is 4084101000, while the sum is 77.

The spelling of 7777425395975 in words is "seven trillion, seven hundred seventy-seven billion, four hundred twenty-five million, three hundred ninety-five thousand, nine hundred seventy-five".