7773897875 has 16 divisors (see below), whose sum is σ = 9761370528. Its totient is φ = 6180948000.

The previous prime is 7773897851. The next prime is 7773897919. The reversal of 7773897875 is 5787983777.

It is a de Polignac number, because none of the positive numbers 2^k-7773897875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170396 + ... + 211145.

It is an arithmetic number, because the mean of its divisors is an integer number (610085658).

Almost surely, 2^7773897875 is an apocalyptic number.

7773897875 is a deficient number, since it is larger than the sum of its proper divisors (1987472653).

7773897875 is a wasteful number, since it uses less digits than its factorization.

7773897875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381719 (or 381709 counting only the distinct ones).

The product of its digits is 145212480, while the sum is 68.

The square root of 7773897875 is about 88169.7106437352. The cubic root of 7773897875 is about 1980.9778079432.

The spelling of 7773897875 in words is "seven billion, seven hundred seventy-three million, eight hundred ninety-seven thousand, eight hundred seventy-five".