7898748775 has 12 divisors (see below), whose sum is σ = 9812569624. Its totient is φ = 6307308000.

The previous prime is 7898748727. The next prime is 7898748779. The reversal of 7898748775 is 5778478987.

It is not a de Polignac number, because 7898748775 - 2³¹ = 5751265127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7898748779) 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, 278481 + ... + 305530.

Almost surely, 2^7898748775 is an apocalyptic number.

7898748775 is a deficient number, since it is larger than the sum of its proper divisors (1913820849).

7898748775 is a wasteful number, since it uses less digits than its factorization.

7898748775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584562 (or 584557 counting only the distinct ones).

The product of its digits is 221276160, while the sum is 70.

The square root of 7898748775 is about 88874.9052038876. The cubic root of 7898748775 is about 1991.5265489292.

The spelling of 7898748775 in words is "seven billion, eight hundred ninety-eight million, seven hundred forty-eight thousand, seven hundred seventy-five".