7898454775 has 12 divisors (see below), whose sum is σ = 9796928512. Its totient is φ = 6316928640.

The previous prime is 7898454757. The next prime is 7898454827. The reversal of 7898454775 is 5774548987.

It is not a de Polignac number, because 7898454775 - 2⁷ = 7898454647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45487 + ... + 133663.

Almost surely, 2^7898454775 is an apocalyptic number.

7898454775 is a deficient number, since it is larger than the sum of its proper divisors (1898473737).

7898454775 is a wasteful number, since it uses less digits than its factorization.

7898454775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91770 (or 91765 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 64.

The square root of 7898454775 is about 88873.2511782932. The cubic root of 7898454775 is about 1991.5018396963.

The spelling of 7898454775 in words is "seven billion, eight hundred ninety-eight million, four hundred fifty-four thousand, seven hundred seventy-five".